Index: openacs-4/packages/wp-slim/www/developer-doc.html
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/wp-slim/www/developer-doc.html,v
diff -u
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ openacs-4/packages/wp-slim/www/developer-doc.html 14 Nov 2001 00:30:07 -0000 1.1
@@ -0,0 +1,9772 @@
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+ <o:entry new="5" old="0"/>
+ <o:entry new="6" old="0"/>
+ <o:entry new="7" old="0"/>
+ </o:regrouptable>
+ </o:shapelayout></xml><![endif]-->
+</head>
+
+<body lang=EN-AU link=blue vlink=purple style='tab-interval:36.0pt'>
+
+<div class=Section1>
+
+<div style='border:none;border-top:solid windowtext .75pt;padding:16.0pt 0cm 0cm 0cm'>
+
+<p class=MsoTitle style='line-height:normal'><a name="_Toc528375529"></a><a
+name="_Toc528662631"></a><a name="_Toc528922558"><span style='mso-bookmark:
+_Toc528662631'><span style='mso-bookmark:_Toc528375529'>Developer Documentation</span></span></a></p>
+
+<p class=MsoTitle style='line-height:normal'><span style='mso-bookmark:_Toc528922558'><span
+style='mso-bookmark:_Toc528662631'><span style='mso-bookmark:_Toc528375529'>The
+OpenACS Structure</span></span></span></p>
+
+</div>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1 style='line-height:normal'><a name="_Toc527288156"></a><a
+name="_Toc527288507"></a><a name="_Toc527288887"></a><a name="_Toc528375530"></a><a
+name="_Toc528659934"><span style='mso-bookmark:_Toc528375530'><span
+style='mso-bookmark:_Toc527288887'><span style='mso-bookmark:_Toc527288507'><span
+style='mso-bookmark:_Toc527288156'>Directory Structure</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>The
+conventional directory structure set by OpenACS for developers to follow when
+they are creating packages to run under OpenACS is a well-designed and modular
+one. It enables the application to operate under different database systems and
+makes it easy for future developers to edit the application or add
+functionality to it.</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>The structure
+is based upon a system of separating the files depending on their function. The
+different functions are:</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l62 level1 lfo113;tab-stops:list 54.0pt'><![if !supportLists]>1.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Information
+file, indicating what files there are and where they are located</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l62 level1 lfo113;tab-stops:list 54.0pt'><![if !supportLists]>2.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Data
+model files, which create the data structures that will be used to store the
+information<span style='mso-tab-count:1'>������� </span></p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l62 level2 lfo113;tab-stops:list 90.0pt'><![if !supportLists]>a.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>For
+PostgreSQL</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l62 level2 lfo113;tab-stops:list 90.0pt'><![if !supportLists]>b.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>For
+Oracle</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l62 level1 lfo113;tab-stops:list 54.0pt'><![if !supportLists]>3.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Query
+files, which allow the application to be displayed online and query the
+database</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.15pt'>Files from
+each one of these functions are each placed in a different directory to
+separate them from each other and make it easy to identify their purpose. </p>
+
+<p class=MsoNormal style='margin-left:0cm;text-indent:15.15pt'>The directory is
+structured as follows:</p>
+
+<p class=MsoNormal><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoNormal style='margin-left:3.0cm'>./packages/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:1'>������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+Services packages</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:1'>������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+Application packages</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:1'>������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+/wp-slim/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:2'>������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+wp-slim.info</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:2'>������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+/sql/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:3'>������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+/oracle/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:4'>������������������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+data model files</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:3'>������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+/postgresql/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:4'>������������������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+data model files</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:2'>������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+/www/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:3'>������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+/pics/</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:4'>������������������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+picture files associated with the package</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='mso-tab-count:3'>������������������������������� </span><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span> Query
+files </p>
+
+<p class=MsoNormal style='margin-left:3.0cm;text-indent:18.0pt'><span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+TCL flies</p>
+
+<p class=MsoNormal style='margin-left:3.0cm'><span style='font-family:Wingdings;
+mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-char-type:symbol;
+mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;mso-symbol-font-family:
+Wingdings'>�</span></span> ADP files</p>
+
+<p class=MsoNormal><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>There are
+several aspects of this file structure that should be highlighted. Firstly, it
+is through the use of a different directory under the SQL directory that allows
+OpenACS to operate under several different database systems without any inputs
+from the user. This is possible through the use of the <span style='color:black'>Query
+Dispatcher</span>. The query dispatcher acts as a middle agent, deciding which
+queries to use depending on the database platform. At the moment it can
+recognise both Oracle and PostgreSQL. The structure of the application is such,
+however, that it can be extended to include other database managers easily.</p>
+
+<p class=MsoNormal><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc528375531"></a><a name="_Toc528659935"><span style='mso-bookmark:
+_Toc528375531'>OpenACS Architecture</span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>OpenACS
+architecture involves a number of layers that enables a fairly sophisticated
+package to operate:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l145 level1 lfo114;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Independent of the type of database used</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l145 level1 lfo114;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Allows for the use of permissions and grouping of
+members</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l145 level1 lfo114;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Separation of packages so that the user may choose what
+functions they may want</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>The basic
+elements of the OpenACS application involves the following building blocks:</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l145 level1 lfo114;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>AOL Server </p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l145 level1 lfo114;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Oracle or PostgreSQL RDBMS</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l145 level1 lfo114;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>OpenACS installation</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:18.15pt'>The AOLServer is the means by which OpenACS can maintain a
+presence online. It acts as a web server and hosts the OpenACS files. It is a
+very reliable and proven system, used by many large organizations such as Sloan
+School of Business and Ericsson amongst others. </p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:18.15pt'>OpenACS itself can also be downloaded online for free,
+from <a href="http://www.openacs.org/">http://www.openacs.org</a>, as can all
+the other systems required (except the Oracle RDBMS which must be purchased).</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:18.15pt'>As a backend OpenACS uses a Relational Database system to
+keep track of its data store. It can use both a PostgreSQL or an Oracle RDBMS
+to perform this role. However, the whole purpose of the OpenACS system is to be
+open source software. Forcing users of the system to purchase a commercial
+Oracle RDBMS defeats this purpose. This has led to the porting of the OpenACS
+system so that it is able to work on an open source RDBMS, PostgreSQL. However,
+at the same time support for the Oracle RDBMS had to continue and this was
+possible by the implementation of the Database Independent structure designed
+by OpenACS and discussed later. This is the main purpose of this thesis. </p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:18.15pt'>Each of these elements forms the building blocks upon
+which the software package can run. The actual programming languages used to
+build up on the OpenACS application involves the use of:</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l16 level1 lfo115;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>SQL </p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l16 level1 lfo115;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>XQL</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l16 level1 lfo115;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>TCL</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l16 level1 lfo115;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>ADP</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l16 level1 lfo115;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>HTML</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left'><span
+style='mso-tab-count:1'>����������� </span>OpenACS v 4.2 is based on a
+PostgreSQL or Oracle 8i RDBMS, connects to the Internet via an AOLServer TCL
+API (which is capable of handling huge number of requests easily � important
+for scalable systems). </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>In effect for
+every installation of the OpenACS application the following systems have to be
+considered:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l143 level1 lfo116;tab-stops:list 72.0pt'><![if !supportLists]>1.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Unix:
+This is a remarkably reliable and complex operating that also has security
+features. It offers multiprocessing and memory protection. And the multi
+tasking facility allows the use of Relational Database Management Systems. </p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l143 level1 lfo116;tab-stops:list 72.0pt'><![if !supportLists]>2.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>It
+is also Open source and follows the vein in which OpenACS is following. Unix is
+also a very good operating system for running high volume web sites.</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l143 level1 lfo116;tab-stops:list 72.0pt'><![if !supportLists]>3.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>RDBMS:
+To store the information in an organised manner and allows for easy retrieval
+of that information. Both are ACID compliant meaning that they allow for atomicity
+(all events scheduled to happen actually occur or none of the events occur),
+consistency (that is illegal events that cause the database to enter an invalid
+state are not allowed to occur and cause a roll back to occur), isolation
+(results of transactions are invisible to all other transactions until that
+transaction is finished) and durability (results of transactions are permanent
+and will survive system failures).</p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l143 level2 lfo116;tab-stops:list 108.0pt'><![if !supportLists]>a.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Oracle:
+Commercial RDBMS.</p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l143 level2 lfo116;tab-stops:list 108.0pt'><![if !supportLists]>b.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>PostgreSQL:
+Open source RDBMS</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l143 level1 lfo116;tab-stops:list 72.0pt'><![if !supportLists]>4.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>AOLServer
+Web Server: To prepare the web pages. It also has a high degree of connectivity
+with various RDBMS. Open source as well. </p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l143 level1 lfo116;tab-stops:list 72.0pt'><![if !supportLists]>5.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>OpenACS
+Installation</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>The OpenACS
+architecture is designed such that it provides for a way of delivering Web
+services cheaply, effectively and reliably. This is made possible by the use of
+modular pieces throughout the designing phase.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1>PERMISSIONS</h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'>OpenACS uses a standardised way of
+checking permissions to objects. This is done by the acs services package
+called acs-permissions that establishes the permissions that can be used and
+how they are used.</p>
+
+<div style='border:none;border-top:solid windowtext .75pt;padding:16.0pt 0cm 0cm 0cm'>
+
+<p class=MsoTitle><a name="_Toc528662632"></a><a name="_Toc528922559"><span
+style='mso-bookmark:_Toc528662632'>Data Model</span></a></p>
+
+</div>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc528375532"></a><a name="_Toc528659936"><span style='mso-bookmark:
+_Toc528375532'>Background Information</span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>The data model
+is the most difficult part of a package. If the design and execution is not
+correct then the application may not do what the users want it to do and it
+might be unreliable. Another matter that must be considered is the effective
+use of the RDBMS and whether or not only relevant information is stored to make
+best use of the resources available to it. You cannot use the queries,
+insertions and retrievals from the web pages without first having defined some
+tables.</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>What
+happens is that tables are created to store info, set variables within these
+tables to organise the information.</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Information
+is stored in tables when using relational databases. These tables are created
+to suit particular purposes and each application will have a different table
+structure to store the information. Each table is designed to store different
+information. These �variables� are made of different attributes, that includes:</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l36 level1 lfo117;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Varchar: which are string of characters</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l36 level1 lfo117;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Integer: Natural numbers</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l36 level1 lfo117;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Float: Real Numbers</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l36 level1 lfo117;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Boolean: True or False tokens</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288159"></a><a name="_Toc527288512"></a><a
+name="_Toc527288892"></a><a name="_Toc528375533"></a><a name="_Toc528659937"><span
+style='mso-bookmark:_Toc528375533'><span style='mso-bookmark:_Toc527288892'><span
+style='mso-bookmark:_Toc527288512'><span style='mso-bookmark:_Toc527288159'>Wimpy
+Point Data Model Structure</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.0pt'>The wimpy point
+package uses a data structure that closely follows the structure of an actual
+presentation. In this regard there are a number of elements that form a
+presentation:</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l111 level1 lfo119;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Presentation: each presentation has a presentation row
+associated to it</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l111 level2 lfo119;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>The
+information stored includes:</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Presentation ID</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Presentation Title</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Page Signature</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Copyright Notice</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Style</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Audience</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Background</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l111 level1 lfo119;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Slide: each presentation has a number of slides
+associated to it</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l111 level2 lfo119;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>The
+information stored includes:</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Slide ID</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Slide Title</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Text Information</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Bullet Point Information</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Images</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l111 level1 lfo119;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Attachments: each slide is allowed to have a number of
+images associated to it</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l111 level2 lfo119;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>The
+information stored includes:</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>The file name of the image</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l111 level3 lfo119;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Where in the slide the picture will be displayed</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>There
+are also a number of functions that are created when creating the data
+structure of the package. These functions are what allow the application to
+insert, modify and remove pieces of information into the database. Without
+these functions the database would be useless, as there would be no way to
+store the data. These functions are performed from the SQL queries that form
+part of the HTML, TCL and ADP files. They represent the actions that are taken
+on the database. </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>These functions
+perform a number of functions such as:</p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l141 level3 lfo157;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Presentations:</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Create new presentation</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Modify existing presentation</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Delete existing presentation</p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l141 level3 lfo157;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Slides:</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Create new slide</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Modify existing slide</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Delete existing slide</p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l141 level3 lfo157;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Attachments:</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Create new attachment</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Modify existing attachment</p>
+
+<p class=MsoBodyText style='margin-left:144.0pt;text-indent:-18.0pt;mso-list:
+l141 level4 lfo157;tab-stops:list 144.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Delete existing attachment</p>
+
+<span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:Arial;
+mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman";
+letter-spacing:-.25pt;mso-ansi-language:EN-AU;mso-fareast-language:EN-US;
+mso-bidi-language:AR-SA'><br clear=all style='page-break-before:always'>
+</span>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>The
+way the presentation is setup is shown below in Figure 5.2. With the box
+numbered 1, we have the Wimpy Point package and its associated presentations.
+Each of these presentations has associated with it a number of slides (box 2).
+Each slide then has associated to it a title, preamble, bullet items,
+post-amble and an attachment (box 3). Each attachment in turn has information
+on the name of the file and where on the slide to display the image. Based on
+this it is evident how one table may have links to objects in other tables, and
+so on.</p>
+
+<span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:Arial;
+mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman";
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+mso-bidi-language:AR-SA'><br clear=all style='mso-special-character:line-break;
+page-break-before:always'>
+</span>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
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+ </tr>
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+ <p class=MsoNormal style='margin-left:0cm'>Presentation Title</p>
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+ <table cellpadding=0 cellspacing=0 width="100%">
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+ <table cellpadding=0 cellspacing=0 width="100%">
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+ <p class=MsoNormal style='margin-left:0cm'>Background</p>
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+ <table cellpadding=0 cellspacing=0 width="100%">
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+ <p class=MsoNormal style='margin-left:0cm'>Preamble</p>
+ </div>
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+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
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+ <div>
+ <p class=MsoNormal style='margin-left:0cm'>Filename</p>
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+ <table cellpadding=0 cellspacing=0 width="100%">
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+ <p class=MsoNormal style='margin-left:0cm'>Where to Display</p>
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+ <![if !mso]></td>
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+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoIndexHeading style='line-height:normal;page-break-after:
+ auto'><span style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>1<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
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+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'>3</p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:rect id="_x0000_s2208" style='position:absolute;left:764;top:10816;
+ width:561;height:561'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2208'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'>4</p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect></v:group><v:rect id="_x0000_s2210" style='position:absolute;
+ left:1886;top:4231;width:2618;height:374'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2210'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:9.0pt;
+ mso-bidi-font-size:10.0pt'>Wimpy Point<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:rect id="_x0000_s2211" style='position:absolute;left:1138;top:6288;
+ width:1496;height:374'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2211'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:9.0pt;
+ mso-bidi-font-size:10.0pt'>Presentations<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:rect id="_x0000_s2212" style='position:absolute;left:6935;top:4231;
+ width:2618;height:374'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2212'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:9.0pt;
+ mso-bidi-font-size:10.0pt'>Presentation<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:rect id="_x0000_s2213" style='position:absolute;left:6748;top:8158;
+ width:2618;height:374'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2213'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:9.0pt;
+ mso-bidi-font-size:10.0pt'>Slide<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:rect id="_x0000_s2214" style='position:absolute;left:1699;top:9841;
+ width:2618;height:374'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2214'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:9.0pt;
+ mso-bidi-font-size:10.0pt'>Attachment<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect></v:group><v:shape id="_x0000_s2235" type="#_x0000_t202" style='position:absolute;
+ left:1138;top:13394;width:9537;height:748'>
+ <v:textbox style='mso-next-textbox:#_x0000_s2235'>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.2: This drawing shows
+ how all the elements of a presentation link together to allow the
+ creation of an entire presentation. This drawing also gives a rudimentary
+ depiction of the data model.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:shape></v:group><v:rect id="_x0000_s2250" style='position:absolute;
+ left:6748;top:6902;width:1122;height:374'>
+ <v:textbox>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt'>Slides<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect></v:group><![endif]--><![if !vml]><span style='mso-ignore:vglayout;
+position:relative;z-index:0;left:91px;top:-23px;width:690px;height:664px'><img
+width=690 height=664 src="./dev-doc_files/image001.gif" v:shapes="_x0000_s2234 _x0000_s2385 _x0000_s2236 _x0000_s2215 _x0000_s2209 _x0000_s2202 _x0000_s2156 _x0000_s2157 _x0000_s2158 _x0000_s2159 _x0000_s2160 _x0000_s2161 _x0000_s2162 _x0000_s2163 _x0000_s2164 _x0000_s2166 _x0000_s2175 _x0000_s2176 _x0000_s2177 _x0000_s2178 _x0000_s2179 _x0000_s2173 _x0000_s2192 _x0000_s2193 _x0000_s2194 _x0000_s2195 _x0000_s2196 _x0000_s2198 _x0000_s2199 _x0000_s2201 _x0000_s2118 _x0000_s2203 _x0000_s2204 _x0000_s2205 _x0000_s2206 _x0000_s2207 _x0000_s2208 _x0000_s2210 _x0000_s2211 _x0000_s2212 _x0000_s2213 _x0000_s2214 _x0000_s2235 _x0000_s2250"></span><![endif]><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288160"></a><a name="_Toc527288513"></a><a
+name="_Toc527288893"></a><a name="_Toc528375534"></a><a name="_Toc528659938"><span
+style='mso-bookmark:_Toc528375534'><span style='mso-bookmark:_Toc527288893'><span
+style='mso-bookmark:_Toc527288513'><span style='mso-bookmark:_Toc527288160'>Oracle
+to PostgreSQL Data Model</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>The
+creation of a data model compatible with the PostgreSQL RDBMS formed a major
+part of the thesis project. The previous version of Wimpy Point, version 4.2,
+utilised the Oracle RDBMS, however, the data model for version 4.2 was not
+compatible with PostgreSQL. As such the first step in creating the new Wimpy
+Point application was the creation of a data model compatible with PostgreSQL
+and Oracle. To facilitate this the directory structure of the application was
+changed to allow two database systems to run. This was achieved by creating the
+following directory structure:</p>
+
+<p class=MsoBodyText style='margin-left:36.0pt;text-indent:36.0pt'><b
+style='mso-bidi-font-weight:normal'><span style='font-family:Wingdings;
+mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-char-type:symbol;
+mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;mso-symbol-font-family:
+Wingdings'>�</span></span> </b>/sql/</p>
+
+<p class=MsoBodyText style='margin-left:89.85pt;text-indent:18.15pt'><b
+style='mso-bidi-font-weight:normal'><span style='font-family:Wingdings;
+mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-char-type:symbol;
+mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;mso-symbol-font-family:
+Wingdings'>�</span></span> </b>/oracle/</p>
+
+<p class=MsoBodyText style='margin-left:197.85pt;text-indent:-18.0pt;
+mso-list:l88 level4 lfo38;tab-stops:list 197.85pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>for the files creating the Oracle database</p>
+
+<p class=MsoBodyText style='margin-left:125.85pt;text-indent:-18.0pt;
+mso-list:l88 level2 lfo38;tab-stops:list 125.85pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>/postgresql/</p>
+
+<p class=MsoBodyText style='margin-left:197.85pt;text-indent:-18.0pt;
+mso-list:l88 level4 lfo38;tab-stops:list 197.85pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>for the files creating the PostgreSQL database</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'>This structure
+will allow the <span style='color:black'>Query Dispatcher</span> to pass
+queries along to the RDBMS dependent on the type of database used. This feature
+of OpenACS, allowing scalable applications, could eventually see it operating
+on any number of different database systems. This was made possible by the use
+of an information file, called wp-slim.info. </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'>Given the new
+directory structure and the capabilities of the information file the next step
+in creating an application capable of running against two very different
+database systems involves the design of a data model creation and removal file:
+wp-slim-create.sql and wp-slim-drop.sql, for both the Oracle and PostgreSQL
+versions. Each one is placed into the appropriate sql directory, either within
+oracle/ or postgresql/, to allow the information file to know where to look for
+the data model files. </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'>The Oracle data
+model files already existed, from version 4.2, and these have been left much
+the same. However, the PostgreSQL data model design would have to be made. For
+this purpose the oracle data structure was followed. What was changed was the
+method by which the data structure was actually created. </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'>Some of the
+differences between the way Oracle and PostgreSQL creates the data model are:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l94 level1 lfo120;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Use of functions and procedures in Oracle whereas
+PostgreSQL uses on functions</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l94 level1 lfo120;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Syntactical differences</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l94 level1 lfo120;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Need to have all commands within inline statement in
+PostgreSQL, whereas in Oracle the commands can be called from outside of
+functions</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l94 level1 lfo120;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Different variable types: such as text <span
+style='font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+varchar, blob <span style='font-family:Wingdings;mso-ascii-font-family:Arial;
+mso-hansi-font-family:Arial;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
+style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>�</span></span>
+record</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l94 level1 lfo120;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Different inputs required to create elements of the
+table.<span style="mso-spacerun: yes">� </span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l94 level1 lfo120;tab-stops:list 72.0pt'><a name="_Toc527288161"></a><a
+name="_Toc527288514"></a><a name="_Toc527288894"></a><a name="_Toc528375535"></a><a
+name="_Toc528659939"><span style='mso-bookmark:_Toc528375535'><span
+style='mso-bookmark:_Toc527288894'><span style='mso-bookmark:_Toc527288514'><span
+style='mso-bookmark:_Toc527288161'><![if !supportLists]><span style='font-family:
+Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>PostgreSQL Tables and other Attributes</span></span></span></span></a>
+</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Within
+the Wimpy Point PostgreSQL the following tables were created to store
+information:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>wp_styles: stores the different
+styles available for backgrounds, font colours and sizes<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_presentations: stores
+the information related to a presentation such as Presentation name, background
+and audience<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_slides: stores the
+information of a slide<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_presentations_aud:
+stores the audience group for the presentation<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_presentations_back:
+stores the background of a presentation<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_slides_preamble: stores
+the preamble information of a slide<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_slides_postamble:
+stores the post-amble information for the slide<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_slides_bullet_items:
+stores the bullet item information for the slide<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l80 level1 lfo121;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>cr_wp_attachments: stores the
+file names that are being loaded up<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.55pt'>The following
+section of code (Figure 5.4) creates the tables, which is representative of the
+different tables create. It is found in the Wimpy Point data model create file
+and is used to create the presentation table ready to store information.</p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>--jackp: create the presentation table<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>create table cr_wp_presentations (<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>presentation_id<span
+style='mso-tab-count:2'>������������� </span>integer<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:4'>����������������������������������������� </span>constraint
+cr_wp_presentations_id_fk<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">������������������������������� </span><span style='mso-tab-count:2'>��������������������� </span>references
+cr_revisions<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">������������������������������� </span><span style='mso-tab-count:2'>��������������������� </span>constraint
+cr_wp_presentations_pk<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">������������������������������� </span><span style='mso-tab-count:2'>��������������������� </span>primary
+key,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>--
+The title of the presentations, as displayed to the user.<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>pres_title<span
+style='mso-tab-count:2'>���������������������� </span>varchar(400) <o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">����������������������������� </span><span style='mso-tab-count:2'>����������������������� </span>constraint
+cr_wp_presentations_title_nn<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">��������������� </span><span style='mso-tab-count:1'>� </span><span
+style="mso-spacerun: yes">��������������</span><span style='mso-tab-count:1'>��������� </span>not
+null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>--
+A signature on the bottom.<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>page_signature<span
+style='mso-tab-count:2'>������������� </span>varchar(200),<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>--
+The copyright notice displayed on all pages.<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>copyright_notice<span
+style='mso-tab-count:2'>����������������������� </span>varchar(400),<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>-- Style information.<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>style<span
+style='mso-tab-count:3'>���������������������������� </span>integer<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">������������������������������� </span><span style='mso-tab-count:1'>��������� </span>constraint
+cr_wp_style_fk<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:4'>����������������������������������������� </span>references
+wp_styles on delete set null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>public_p<span
+style='mso-tab-count:1'>����������� </span><span style="mso-spacerun:
+yes">������� </span><span style='mso-tab-count:2'>��������������� </span>boolean<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:4'>����������������������������������������� </span>constraint
+cr_wp_public_p_ck<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:4'>����������������������������������������� </span>check(public_p
+in ('t','f')),<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>--
+Show last-modified date for slide?<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>show_modified_p<span
+style="mso-spacerun: yes">�������� </span><span style='mso-tab-count:1'>� </span>boolean<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:4'>����������������������������������������� </span>constraint
+cr_wp_show_p_ck<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:4'>����������������������������������������� </span>check(show_modified_p
+in ('t','f'))<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>);</span><span style='mso-fareast-font-family:
+"MS Mincho"'><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2238" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:46.95pt;margin-top:8.6pt;width:458.15pt;height:37.4pt;
+ z-index:2'/><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=63 height=11></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=613 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:2'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2238" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.4: This code is used to
+ create the cr_wp_presentations table. It is one of many tables that are
+ created to store information for the Wimpy Point package.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'><span
+style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'><span
+style='color:black'>This is similar to the way tables are created in Oracle. <o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>These tables
+have a number of types associated to it. These �types� represent single
+instances of the table. That is they form rows of the table. The following
+types are created for Wimpy Point:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_presentation_aud</span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_presentation_back</span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_presentation</span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide_preamble</span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide_postamble</span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide_bullet_items</span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l45 level1 lfo122;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide</span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>The code in
+Figure 5.5 shows the difference with how types are created in Oracle and
+PostgreSQL for the presentations table:</p>
+
+<table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;
+ border:none;mso-border-alt:solid windowtext .5pt;mso-padding-alt:0cm 5.4pt 0cm 5.4pt'>
+ <tr>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText align=center style='margin-left:0cm;text-align:center'>Oracle</p>
+ </td>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText align=center style='margin-left:0cm;text-align:center'>PostgreSQL</p>
+ </td>
+ </tr>
+ <tr>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ border-top:none;mso-border-top-alt:solid windowtext .5pt;background:#E6E6E6;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'>content_type.create_type (<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span>content_type<span style="mso-spacerun: yes">� </span>=>
+ 'cr_wp_presentation',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span>pretty_name<span style="mso-spacerun: yes">�� </span>=> 'WimpyPoint
+ Presentation',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span>pretty_plural => 'WimpyPoint Presentations',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span>table_name<span style="mso-spacerun: yes">��� </span>=>
+ 'cr_wp_presentations',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span>id_column<span style="mso-spacerun: yes">���� </span>=>
+ 'presentation_id'<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt;mso-fareast-font-family:
+ "MS Mincho"'><span style="mso-spacerun: yes">� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ <td width=340 valign=top style='width:254.7pt;border-top:none;border-left:
+ none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
+ mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
+ background:#E6E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'>PERFORM content_type__create_type (<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>''cr_wp_presentation'',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>''content_revision'',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>''Wimpy
+ Point Presentation'', <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>''WimpyPoint
+ Presentations'',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>''cr_wp_presentations'',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>''presentation_id'',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������������� </span>null<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����������� </span>);<span
+ style="mso-spacerun: yes">����������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ </tr>
+</table>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2239" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:37.6pt;margin-top:13.3pt;width:439.45pt;height:28.05pt;
+ z-index:3;mso-position-horizontal-relative:text;
+ mso-position-vertical-relative:text'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout;position:absolute;z-index:45;left:0px;margin-left:
+50px;margin-top:18px;width:589px;height:40px'>
+
+<table cellpadding=0 cellspacing=0>
+ <tr>
+ <td width=589 height=40 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;left:0pt;z-index:3'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2239" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt'>Figure
+ 5.5: This table shows the difference in how Oracle and PostgreSQL create
+ content types.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><span
+style='mso-tab-count:1'>����������� </span></span><span style='mso-fareast-font-family:
+"MS Mincho"'><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'>Further to
+this each type has a number of attributes, or the information that it actually
+stores, associated to it and these include:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_presentation<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>pres_title<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>page_signature<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>copyright_notice<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>style<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>public_p<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>show_modified_p<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>sort_key<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>slide_title<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>include_in_outline_p<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>context_break_after_p<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>style,<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_attachment
+<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_presentation_aud<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>presentation_id<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_presentation_back<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>presentation_id<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide_preamble<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>slide_id<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide_postamble<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>slide_id<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_slide_bullet_items<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>slide_id<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l70 level1 lfo123;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;mso-fareast-font-family:"MS Mincho"'>�<span
+style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>cr_wp_attachment<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>content_revision<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:108.0pt;text-indent:-18.0pt;mso-list:
+l70 level2 lfo123;tab-stops:list 108.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-fareast-font-family:"MS Mincho";
+mso-bidi-font-family:"Times New Roman"'>o<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='mso-fareast-font-family:"MS Mincho"'>display<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.55pt'>These
+attributes are created as shown by the subsequent example:</p>
+
+<table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;
+ border:none;mso-border-alt:solid windowtext .5pt;mso-padding-alt:0cm 5.4pt 0cm 5.4pt'>
+ <tr>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText style='margin-left:0cm'>Oracle</p>
+ </td>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText style='margin-left:0cm'>PostgreSQL</p>
+ </td>
+ </tr>
+ <tr>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ border-top:none;mso-border-top-alt:solid windowtext .5pt;background:#E6E6E6;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�
+ </span>attr_id := content_type.create_attribute (<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">����
+ </span>content_type<span style="mso-spacerun: yes">�� </span>=>
+ 'cr_wp_presentation',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">����
+ </span>attribute_name => 'pres_title',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">����
+ </span>datatype<span style="mso-spacerun: yes">������ </span>=> 'text',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">����
+ </span>pretty_name<span style="mso-spacerun: yes">��� </span>=>
+ 'Presentation Title',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">����
+ </span>pretty_plural<span style="mso-spacerun: yes">� </span>=> 'Presentation
+ Titles',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">����
+ </span>column_spec<span style="mso-spacerun: yes">��� </span>=>
+ 'varchar2(400)'<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�
+ </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ <td width=340 valign=top style='width:254.7pt;border-top:none;border-left:
+ none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
+ mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
+ background:#E6E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����������� </span>attr_id
+ := content_type__create_attribute (<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>''cr_wp_presentation'',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>''pres_title'',<span
+ style='mso-tab-count:2'>������������������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>''text'',<span
+ style='mso-tab-count:3'>��������������������������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>''Presentation
+ Title'',<span style='mso-tab-count:1'>������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>''Presentation
+ Titles'',<span style='mso-tab-count:1'>����� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>null,<span
+ style='mso-tab-count:2'>����������������� </span><span style="mso-spacerun:
+ yes">� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�</span><span
+ style="mso-spacerun: yes">�� </span><span style='mso-tab-count:2'>������������������� </span>null,<span
+ style='mso-tab-count:2'>����������������� </span><span style="mso-spacerun:
+ yes">� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+ </span><span style='mso-tab-count:2'>������������������� </span>''text''<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�
+ </span><span style='mso-tab-count:1'>��������� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ </tr>
+</table>
+
+<p class=MsoBodyText style='margin-left:0cm'><!--[if gte vml 1]><v:shape id="_x0000_s2240"
+ type="#_x0000_t202" style='position:absolute;left:0;text-align:left;
+ margin-left:28.25pt;margin-top:17.45pt;width:448.8pt;height:28.05pt;z-index:4;
+ mso-position-horizontal-relative:text;mso-position-vertical-relative:text'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout;position:absolute;z-index:46;left:0px;margin-left:
+38px;margin-top:23px;width:601px;height:41px'>
+
+<table cellpadding=0 cellspacing=0>
+ <tr>
+ <td width=601 height=41 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;left:0pt;z-index:4'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2240" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt'>Figure
+ 5.6: This table depicts the differences in how the two RDBMS create
+ attributes.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Each
+of these different tables, types and attributes serve a purpose of storing
+relevant information that makes up a Wimpy Point presentation.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288162"></a><a name="_Toc527288515"></a><a
+name="_Toc527288895"></a><a name="_Toc528375536"></a><a name="_Toc528659940"><span
+style='mso-bookmark:_Toc528375536'><span style='mso-bookmark:_Toc527288895'><span
+style='mso-bookmark:_Toc527288515'><span style='mso-bookmark:_Toc527288162'>Database
+Functions</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Every
+database has a limited usefulness unless there exists a means of inserting,
+modifying and retrieving information from it. Both Oracle and PostgreSQL
+Relational Database Management Systems use functions and procedures, in
+Oracle�s case, to perform these actions to the database. Despite this there is
+a huge amount of differences in the way both systems perform the actions to the
+database. These differences include such items as:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l75 level1 lfo125;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Syntactical differences, an example of which in the
+devclaration of variables</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l75 level1 lfo125;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Calling of functions</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'>A good example
+of these differences is illustrated in the way both systems insert information
+related to a new presentation. The following section of code shows how the
+Oracle version of Wimpy Point declares variables:</p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>create or replace package body
+wp_presentation<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>as<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�
+</span>function new (<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>creation_date<span style='mso-tab-count:1'>������ </span>in
+acs_objects.creation_date%TYPE<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:3'>����������������������������� </span>default
+sysdate,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>creation_user<span style='mso-tab-count:1'>������ </span>in
+acs_objects.creation_user%TYPE<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:3'>����������������������������� </span>default
+null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>creation_ip<span style='mso-tab-count:1'>��������� </span>in
+acs_objects.creation_ip%TYPE default null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>pres_title<span style="mso-spacerun: yes">��������� </span><span
+style='mso-tab-count:1'>�� </span>in cr_wp_presentations.pres_title%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>page_signature<span style="mso-spacerun: yes">���� </span><span
+style='mso-tab-count:1'>���������� </span>in
+cr_wp_presentations.page_signature%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>copyright_notice<span style="mso-spacerun: yes">��� </span><span
+style='mso-tab-count:1'>��������� </span>in
+cr_wp_presentations.copyright_notice%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>style<span style="mso-spacerun: yes">�������������� </span><span
+style='mso-tab-count:1'>��� </span>in cr_wp_presentations.style%TYPE default
+-1,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>public_p<span style="mso-spacerun: yes">���� </span><span
+style='mso-tab-count:1'>�������� </span>in cr_wp_presentations.public_p%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>show_modified_p<span style="mso-spacerun: yes">� </span><span
+style='mso-tab-count:1'>���������� </span>in
+cr_wp_presentations.show_modified_p%TYPE default 'f',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>audience<span style="mso-spacerun: yes">����������� </span><span
+style='mso-tab-count:1'> </span>in varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>background<span style="mso-spacerun: yes">��������� </span><span
+style='mso-tab-count:1'>���������� </span>in varchar2<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">� </span>)
+return cr_items.item_id%TYPE<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�
+</span>is<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_item_id<span style='mso-tab-count:3'>������������������������ </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_audience_item_id<span style='mso-tab-count:1'>��������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_background_item_id<span style='mso-tab-count:1'>����� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_revision_id<span style='mso-tab-count:2'>������������������� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_audience_revision_id<span style='mso-tab-count:1'>���� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_background_revision_id<span style='mso-tab-count:1'>� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_max_id<span style='mso-tab-count:3'>������������������������ </span>integer;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>v_name<span style='mso-tab-count:3'>�������������������������� </span>cr_wp_presentations.pres_title%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�
+</span>begin<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun:
+yes">����������������������������� </span></span><span style='font-size:10.0pt;
+color:red'>�</span><span style='color:red'><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2241" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:56.3pt;margin-top:1.05pt;width:439.45pt;height:37.4pt;
+ z-index:5'/><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=75 height=1></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=589 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:5'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2241" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.7: This table shows the
+ standard heading for functions in Oracle. Refer to Figure 6.7 for the
+ PostgreSQL version.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='color:black'>As you can see there are two different types of variables
+those that are inputted to the function and those that are not inputted to the
+function but used by the function. In Oracle the way to differentiate between
+the two is to have the inputted variables within the set of brackets after the
+header and the non-inputted variables between the ��is�� command and the
+��begin�� command. This is in comparison with the PostgreSQL method which
+follows:<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>create function wp_presentation__new (<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>timestamp,
+integer, varchar(400), <span style='mso-tab-count:1'>����������� </span>varchar(400),
+varchar(400), varchar, integer, boolean, boolean,<span style="mso-spacerun:
+yes">� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�����
+</span>varchar, varchar ) <o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>returns integer as'<span
+style="mso-spacerun: yes">���� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>declare<br>
+<span style="mso-spacerun: yes">�� </span><span style='mso-tab-count:2'>�������������� </span>creation_date<span
+style='mso-tab-count:1'>���� </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $1;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>creation_user<span
+style='mso-tab-count:1'>���� </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $2;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>creation_ip<span
+style='mso-tab-count:1'>������� </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $3;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>p_pres_title<span
+style='mso-tab-count:1'>������ </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $4;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>p_page_signature<span
+style='mso-tab-count:1'>���������� </span>alias for $5;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>p_copyright_notice<span
+style="mso-spacerun: yes">����� </span><span style='mso-tab-count:1'>�� </span>alias
+for $6;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>p_style<span
+style='mso-tab-count:2'>������������� </span><span style="mso-spacerun:
+yes">����� </span><span style='mso-tab-count:1'>����� </span>alias for $7;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>p_public_p<span
+style='mso-tab-count:1'>�������� </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $8;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>p_show_modified_p<span
+style="mso-spacerun: yes">����� </span><span style='mso-tab-count:1'>� </span>alias
+for $9;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>audience<span
+style='mso-tab-count:1'>���������� </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $10;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:2'>����������������� </span>background<span
+style='mso-tab-count:1'>������ </span><span style="mso-spacerun: yes">�����
+</span><span style='mso-tab-count:1'>����� </span>alias for $11;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:2'>������������� </span>v_item_id<span
+style="mso-spacerun: yes">�������������� </span><span style='mso-tab-count:
+1'>������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">� </span><span
+style='mso-tab-count:2'>��������������� </span>v_audience_item_id<span
+style='mso-tab-count:1'>������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:2'>������������� </span>v_background_item_id<span
+style='mso-tab-count:1'>��� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:2'>������������� </span>v_revision_id<span
+style='mso-tab-count:2'>����������������� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">�� </span><span
+style='mso-tab-count:1'>�� </span><span style="mso-spacerun: yes">�</span><span
+style='mso-tab-count:1'>���������� </span>v_audience_revision_id<span
+style='mso-tab-count:1'>�� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:2'>������������� </span>v_background_revision_id
+cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:2'>������������� </span>v_max_id<span
+style="mso-spacerun: yes">��������������� </span><span style='mso-tab-count:
+1'>������ </span>integer;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:2'>������������� </span>v_name<span
+style="mso-spacerun: yes">����������������� </span><span style='mso-tab-count:
+1'>������ </span>cr_wp_presentations.pres_title%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'>begin<span style='mso-tab-count:1'>��������� </span>�</span><span
+style='color:black'><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2242" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:56.3pt;margin-top:3.25pt;width:439.45pt;height:37.4pt;
+ z-index:6'/><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=75 height=4></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=589 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:6'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2242" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.8: This is the PostgreSQL
+ syntax for the heading of functions.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'><span style='mso-tab-count:1'>������ </span>Here it is seen
+that the inputted variables are identified by the use of the word ��alias��
+that makes it the variable that stores the information passed to that
+particular variable. The remaining variables, called virtual variables are
+declared in the same position, but without the ��alias�� identifier. Further to
+this inputted variables from within the function need to be declared with a
+��p_*�� as their variable name. There are a number of reasons for this the most
+relevant of which is that when inserting the variables into the tables if the
+variable name is the same as the column name for the table the PostgreSQL
+compiler will not accept this.<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'><span style='mso-tab-count:1'>������ </span>The following
+section of code shows how the insert operation is performed:<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>insert into cr_wp_presentations<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>(<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>presentation_id,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style='mso-tab-count:1'>����� </span>pres_title,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>page_signature,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>copyright_notice,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>style,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>public_p,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>show_modified_p<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span>) values (<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>v_revision_id,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>p_pres_title,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>p_page_signature,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>p_copyright_notice,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>p_style,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>p_public_p,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">���
+</span><span style='mso-tab-count:1'>� </span>p_show_modified_p<span
+style="mso-spacerun: yes">��� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:10.0pt;
+mso-fareast-font-family:"MS Mincho"'><span style="mso-spacerun: yes">��
+</span>);</span><span style='mso-fareast-font-family:"MS Mincho"'><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2243" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:18.9pt;margin-top:12.25pt;width:486.2pt;height:37.4pt;
+ z-index:7'/><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=25 height=16></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=651 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:7'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2243" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.9: This is the way
+ information is actually inserted into the tables created. The code is
+ similar for both RDBMS types.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><span
+style='color:black'>So the first half defines the column names of the
+appropriate table, which is defined in the header of the insert to command,
+that the information will be inserted into. Then the last half gives the
+variables that store the information. <o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.0pt'><span
+style='color:black'>Other functions that are commonly performed onto the
+database include modification of a past entry, a functionality that allows the
+presentations properties to be modified. This useful ability is capable of
+being performed against both the presentation and each slide. This function is
+performed by the insertion of new values into tables.<o:p></o:p></span></p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288163"></a><a name="_Toc527288516"></a><a
+name="_Toc527288896"></a><a name="_Toc528375537"></a><a name="_Toc528659941"><span
+style='mso-bookmark:_Toc528375537'><span style='mso-bookmark:_Toc527288896'><span
+style='mso-bookmark:_Toc527288516'><span style='mso-bookmark:_Toc527288163'>Database
+Permissions and Privileges</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='color:black'>In addition to all the table creations and database
+functions there exists a group of functions that operate under the core
+services packages. These functions are created by the backbone packages that
+enable the OpenACS application to actually work together as a single unit. Some
+of these functions include:<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l37 level1 lfo127;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>acs_permissions<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l37 level1 lfo127;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>acs-kernel<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l37 level1 lfo127;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>acs-content-repository<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='color:black'>These functions enable the online community to operate in a
+way that member�s privacy is not interfered with and they may choose who may,
+in Wimpy Point�s case:<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l98 level1 lfo128;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>View the presentations<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l98 level1 lfo128;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>Modify the presentations<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l98 level1 lfo128;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>Delete presentations<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l98 level1 lfo128;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol;color:black'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><span style='color:black'>Create presentations<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'>As such a
+presentation can be created wherein the creator can set who is able to view it
+and who is not. This is an extremely useful capability in the sense of large
+communities where members may not want to share all their presentations. The
+following section of code shows just how the permissions are set in the
+database:</p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='mso-fareast-font-family:
+"MS Mincho"'><span style="mso-spacerun: yes">��� </span></span><span
+style='font-size:11.0pt;mso-bidi-font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><span
+style='mso-tab-count:1'>� </span>PERFORM acs_permission__grant_permission(<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:11.0pt;
+mso-bidi-font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><span
+style='mso-tab-count:2'>����������������� </span>default_context, <o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:11.0pt;
+mso-bidi-font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><span
+style='mso-tab-count:2'>����������������� </span>registered_users, <o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:11.0pt;
+mso-bidi-font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><span
+style='mso-tab-count:2'>����������������� </span>''wp_create_presentation''<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6'><span style='font-size:11.0pt;
+mso-bidi-font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><span
+style='mso-tab-count:1'>����� </span>);<o:p></o:p></span></p>
+
+<p class=MsoNormal><!--[if gte vml 1]><v:shape id="_x0000_s2244" type="#_x0000_t202"
+ style='position:absolute;left:0;text-align:left;margin-left:37.6pt;
+ margin-top:4.7pt;width:458.15pt;height:37.4pt;z-index:8'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=50 height=6></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=614 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:8'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2244" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.10: This section of code
+ shows how permissions are granted in OpenACS.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><a name="_Toc528662633"></a><a name="_Toc528922560"><span
+style='mso-bookmark:_Toc528662633'></span></a><span style='mso-bookmark:_Toc528922560'><span
+style='mso-bookmark:_Toc528662633'><span style='mso-fareast-font-family:"MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></span></span></p>
+
+<p class=MsoNormal><span style='mso-bookmark:_Toc528922560'><span
+style='mso-bookmark:_Toc528662633'><span style='mso-fareast-font-family:"MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></span></span></p>
+
+<p class=MsoNormal><span style='mso-bookmark:_Toc528922560'><span
+style='mso-bookmark:_Toc528662633'><span style='mso-fareast-font-family:"MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></span></span></p>
+
+<p class=MsoNormal><span style='mso-bookmark:_Toc528922560'><span
+style='mso-bookmark:_Toc528662633'><span style='mso-fareast-font-family:"MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></span></span></p>
+
+<p class=MsoNormal><span style='mso-bookmark:_Toc528922560'><span
+style='mso-bookmark:_Toc528662633'><span style='mso-fareast-font-family:"MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></span></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<div style='border:none;border-top:solid windowtext .75pt;padding:16.0pt 0cm 0cm 0cm'>
+
+<p class=MsoTitle><span style='mso-bookmark:_Toc528922560'><span
+style='mso-bookmark:_Toc528662633'><span style='mso-fareast-font-family:"MS Mincho"'>Query
+Files</span></span></span><span style='mso-fareast-font-family:"MS Mincho"'><o:p></o:p></span></p>
+
+</div>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc528375538"></a><a name="_Toc528659942"><span style='mso-bookmark:
+_Toc528375538'>Query Dispatcher</span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>An
+advantage of using OpenACS as an online community manager is its ability to
+work flawlessly with either an Oracle or a PostgreSQL backend. This has an
+enormous benefit in that it allows people a choice of which database to use,
+depending on their circumstances and needs. This capability is achieved through
+the use of the OpenACS Query Dispatcher, which selects which form of query
+should be sent to the RDBMS, depending on the type of database used. </p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>The
+Query Dispatcher is a tool created for use with OpenACS; it basically works
+with the OpenACS architecture to allow the online community application to
+operate independently of the database used. This has an enormous impact on the
+scalability of the application. What happens s that the user now does not have
+to worry about setting up a specific RDBMS that they may not have experience
+with. They may select one from the list of database systems that OpenACS is
+able to work with. </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>Certainly at
+this point in time the software is capable of working with only two different
+types of systems, but it is conceivable that in the near future further work
+will be done to extend the number of databases that OpenACS is compatible with.
+<span style='color:black'><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='color:black'>The Query Dispatcher does pose a threat to the scalability
+of the application. If it was capable of running against only a single database
+then the risk of overloading the system would be much lower. However, with the
+added functionality of being able to run against a multiple number of database
+systems this increases the resources needed by the application to operate. This
+is because each database system is different and needs different data model
+creation commands and queries. <o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><span
+style='color:black'>This could have posed a tremendous risk to the OpenACS
+project. In truth, however, this problem has been solved by the use of caching
+of the queries when the package is installed onto the system. This allows the
+system to load only the information relevant to the type of database used when
+the Wimpy Point package is installed. This maintains a low level of<span
+style="mso-spacerun: yes">� </span>resources that s required by the package, no
+matter how many different database systems it is made to operate with.<o:p></o:p></span></p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc528375539"></a><a name="_Toc528659943"><span style='mso-bookmark:
+_Toc528375539'>Query Files</span></a></h1>
+
+</div>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>Query files fit in the layer operating between the data
+model and the user. It allows information to pass between the user and the
+database. They act as a means of sending messages to the data model to perform
+the following actions:</p>
+
+<p class=MsoBodyText align=left style='margin-left:54.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l108 level1 lfo129;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Insert information that the user has entered from the
+web page</p>
+
+<p class=MsoBodyText align=left style='margin-left:54.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l108 level1 lfo129;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Retrieve information that the user has requested from a
+web page</p>
+
+<p class=MsoBodyText align=left style='margin-left:54.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l108 level1 lfo129;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Modify information that the user has entered from a web
+page</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>All these operations make the entire package operational
+from the Internet. It provides a layer that adds the online functionality to
+the entire OpenACS application. It also provides the means for the user to
+interact with the database, setting the package a dynamic environment.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288167"></a><a name="_Toc527288522"></a><a
+name="_Toc527288902"></a><a name="_Toc528375540"></a><a name="_Toc528659944"><span
+style='mso-bookmark:_Toc528375540'><span style='mso-bookmark:_Toc527288902'><span
+style='mso-bookmark:_Toc527288522'><span style='mso-bookmark:_Toc527288167'>What
+are the Elements of the Query Files</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:36.0pt'>Query files are made up of three different formats of
+files, each of which serves a different purpose. These three are:</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l17 level1 lfo130;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>ADP: provides the templates of the web page</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l17 level1 lfo130;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>TCL: provides the logic that runs behind the
+presentation layer</p>
+
+<p class=MsoBodyText align=left style='margin-left:72.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l17 level1 lfo130;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>XQL: provides the SQL queries that are passed to the
+RDBMS</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:36.0pt'>Each of these will be discussed in the following sections
+and finally an overview of how they work together. It is important to note,
+however, that when a single web page is loaded up one of each of these three
+files are also cached and each one has a contribution to make to what is
+presented on the screen and, or, sent to the database.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288168"></a><a name="_Toc527288523"></a><a
+name="_Toc527288903"></a><a name="_Toc528375541"></a><a name="_Toc528659945"><span
+style='mso-bookmark:_Toc528375541'><span style='mso-bookmark:_Toc527288903'><span
+style='mso-bookmark:_Toc527288523'><span style='mso-bookmark:_Toc527288168'>ADP</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>The
+ADP file contains the HTML scripts that will be used to create the layout of
+the Web page as well as any forms that may be needed. It is also the means by
+which images may be loaded. It serves as a template, allowing the designer to
+set the page however they may wish it to look like, without affecting the
+functionality with the RDBMS.</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Figure
+6.10 is an example of how the ADP file can be used to set the Web page. Refer
+to the Figure to see how it sets a form to allow the user to enter data
+relating to what they wish to display in the slide.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288169"></a><a name="_Toc527288524"></a><a
+name="_Toc527288904"></a><a name="_Toc528375542"></a><a name="_Toc528659946"><span
+style='mso-bookmark:_Toc528375542'><span style='mso-bookmark:_Toc527288904'><span
+style='mso-bookmark:_Toc527288524'><span style='mso-bookmark:_Toc527288169'>TCL</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>The
+TCL file deals with the declaration of variables and such items that are needed
+to be passed to and from the database. Without this layer there would be no way
+for the information stored in the HTML pages, that is the forms, to be passed
+on to the queries. It serves as the logic layer between the Internet and the
+database.</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Refer
+to Figure 6.11 to view an example of the TCL file required to set the logic
+behind the creation of a slide. It declares the variables that will be used as
+well as how those variables will be used in the query.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288170"></a><a name="_Toc527288525"></a><a
+name="_Toc527288905"></a><a name="_Toc528375543"></a><a name="_Toc528659947"><span
+style='mso-bookmark:_Toc528375543'><span style='mso-bookmark:_Toc527288905'><span
+style='mso-bookmark:_Toc527288525'><span style='mso-bookmark:_Toc527288170'>XQL</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>These
+files contain the actual queries that must be performed against the RDBMS. This
+is the layer that queries the database. In the previous version of OpenACS
+there was no need to have XQL files as the queries could simply be put in the
+TCL file. However, with the implementation of database independence the XQL
+files are required as they serve as the means of separating the query layer
+from the rest of the Logic and Layout layers. This was required since the
+different RDBMS have different syntax for passing queries to them. </p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>As
+such there are now XQL files that serve to separate the queries between RDBMS.
+If a query can be passed to both an Oracle RDBMS and a PostgreSQL RDBMS then it
+is placed in the general XQL file (*.xql). However, should the query be
+different between the two RDBMS then the Oracle specific queries need to be
+inserted in the *-oracle.xql file and the PostgreSQL specific queries need to
+be placed into the *-postgresql.xql file.</p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Refer
+to Figure 6.12 to see the PostgreSQL specific query that inserts data into the
+RDBMS to store data for a slide.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288171"></a><a name="_Toc527288526"></a><a
+name="_Toc527288906"></a><a name="_Toc528375544"></a><a name="_Toc528659948"><span
+style='mso-bookmark:_Toc528375544'><span style='mso-bookmark:_Toc527288906'><span
+style='mso-bookmark:_Toc527288526'><span style='mso-bookmark:_Toc527288171'>Differences
+Between the ORACLE and PostgreSQL Query Files</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>There exists many differences in the structure of the query
+files from version 4.2 to version 4.x of Wimpy Point. This variation occurs
+because of the need for a Query Dispatcher to allow for multiple database
+compatibility.</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>On a directory level the differences are not noticeable as
+all the query files are still located in the /www/ directory. However once you
+move to the file level the differences are more noticeable. One notable
+difference is the lack of XQL files (files that end with the suffix .xql). This
+is because when OpenACS was running under version 4.2, the Oracle only version,
+there was no need to separate the queries passed to the database management
+system because they were all aimed to comply with Oracle standards. However,
+with the introduction of version 4.x, and the functionality of multiple
+database systems compatibility, a need was created to somehow separate the
+queries needed for different database systems � to allow the Query Dispatcher
+to perform its job well.</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>This led to the introduction of the XQL files which can are
+made up of:</p>
+
+<p class=MsoBodyText align=left style='margin-left:54.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l100 level1 lfo131;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Filename.xql: Queries that share the same form between
+both Oracle and PostgreSQL database systems are kept here</p>
+
+<p class=MsoBodyText align=left style='margin-left:54.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l100 level1 lfo131;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Filename-oracle.xql: Queries that are Oracle specific
+are kept here</p>
+
+<p class=MsoBodyText align=left style='margin-left:54.0pt;text-align:left;
+text-indent:-18.0pt;mso-list:l100 level1 lfo131;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Filename-postgresql.xql: Queries that are PostgreSQL
+specific are kept here</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>This structure allows the Query Dispatcher to know where to
+look for a particular function. When a function is called the Query Dispatcher
+first check the *.xql file, to see if the function is stored there. If it is
+then the Dispatcher will use that query to pass the information to the RDBMS.
+If, on the other hand, the Query Dispatcher does not find the function there it
+will then look up the xql file that corresponds to the database system that is
+being used. </p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>This format makes it simple for future additions to the
+number of database that OpenACS can work with.</p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:14.2pt'>There are some differences in the way queries are written
+between Oracle and PostgreSQL. Perhaps the most common is the use of different
+syntax to perform a query. Oracle uses the �select� command whilst PostgreSQL
+uses the �perform� command to perform database queries. <span style='color:
+black'><o:p></o:p></span></p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:18.15pt'>T<span style='color:black'>he following sections of code
+(Figures 6.10 �6.12) deal with the query files to create a slide and insert
+information into it. There are a number of files here and each ones role will
+be described appropriately.<o:p></o:p></span></p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:18.15pt'><span style='color:black'>The first file is called
+��create-slide.adp�� (Figure 5.11) and this slide deals with creating the HTML
+format of the function. It creates the forms, loads the images and sets the
+inputs for the user to interact with. This file has nothing to do with the
+database and does not carry any queries with it. It is strictly for use with
+the creation of the web page itself and the forms that will be used. It is used
+to create what the user will see on their monitor when they run the option to
+create a slide for their presentation. The code for this file follows and as is
+evident it clearly deals with only the HTML:<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><master
+src="master"><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><property
+name="title">Create A Slide</property><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><h2>@pres_title@</h2><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'>@nav_bar@<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><hr><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><form
+name=f action=create-slide-2 method=post><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><input
+type=hidden name=pres_item_id value="@pres_item_id@"><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><input
+type=hidden name=sort_key value="@sort_key@"><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><script
+language=javascript><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'>function
+swapWithNext(index)<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'>{<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span>var val = document.f['bullet.' +
+index].value;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span>document.f['bullet.' + index].value =
+document.f['bullet.' + (index+1)].value;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span>document.f['bullet.' + (index+1)].value =
+val;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'>}<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'></script><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><table><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span><tr><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><th align=right nowrap>Slide
+Title:&nbsp;</th><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><td><input type=text
+name=slide_title value="" size=50></td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span></tr><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span><tr valign=top><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><th align=right
+nowrap><br>Preamble:</th><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">����� </span><textarea rows=4 cols=70
+name=preamble wrap=virtual></textarea><br><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">����� </span><i>(optional random text that goes
+above the bullet list)</i><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span></td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span></tr><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span><tr valign=baseline><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><th align=right nowrap>Bullet
+Items:</th><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">����� </span><ul><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">������� </span><input type=hidden name=array_max
+value="5"><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><li><input
+type=text size=60 name=bullet.1 value="">&nbsp;<img
+src="pics/1white.gif" width=18 height=15"><a
+href="javascript:swapWithNext(1)"><img
+src="pics/down.gif" width=18 height=15 border=0></a><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><li><input
+type=text size=60 name=bullet.2 value="">&nbsp;<a
+href="javascript:swapWithNext(1)"><img
+src="pics/up.gif" width=18 height=15 border=0></a><a
+href="javascript:swapWithNext(2)"><img
+src="pics/down.gif" width=18 height=15 border=0></a><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><li><input
+type=text size=60 name=bullet.3 value="">&nbsp;<a
+href="javascript:swapWithNext(2)"><img
+src="pics/up.gif" width=18 height=15 border=0></a><a
+href="javascript:swapWithNext(3)"><img
+src="pics/down.gif" width=18 height=15 border=0></a><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><li><input
+type=text size=60 name=bullet.4 value="">&nbsp;<a
+href="javascript:swapWithNext(3)"><img
+src="pics/up.gif" width=18 height=15 border=0></a><a
+href="javascript:swapWithNext(4)"><img src="pics/down.gif"
+width=18 height=15 border=0></a><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><li><input
+type=text size=60 name=bullet.5 value="">&nbsp;<a
+href="javascript:swapWithNext(4)"><img
+src="pics/up.gif" width=18 height=15 border=0></a><img
+src="pics/1white.gif" width=18 height=15"><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">������� </span><br><i>You can add
+additional bullets later.</i><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">����� </span></ul><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span></td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span></tr><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span><tr valign=top><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><th align=right
+nowrap><br>Postamble:</th><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span><td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">����� </span><textarea rows=4 cols=70
+name=postamble wrap=virtual></textarea><br><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">����� </span><i>(optional random text that goes
+after the bullet list)</i><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">��� </span></td><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><span
+style="mso-spacerun: yes">� </span></tr><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'></table><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><p><center><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'><input
+type=submit value="Save Slide"><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'></center><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:40.5pt;tab-stops:36.0pt;background:#E5E5E5;
+mso-shading:white;mso-pattern:gray-10 auto'><span style='font-size:10.0pt'></form></span></p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:36.0pt'><!--[if gte vml 1]><v:shape id="_x0000_s2245" type="#_x0000_t202"
+ style='position:absolute;margin-left:28.25pt;margin-top:2.4pt;width:458.15pt;
+ height:37.4pt;z-index:9'/><![endif]--><![if !vml]><span style='mso-ignore:
+vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=38 height=3></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=614 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:9'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2245" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.11: This section of code
+ depicts the ADP file that is used to create the HTML of the query files.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:36.0pt'><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:36.0pt'><span style='color:black'>From here the next file in line
+is the create-slide.tcl (Figure 5.12). This file deals with the declaration of
+the variables that will be used to store the user inputs. This is so that the
+query files can actually get access to those variables as entered by the user.
+The following section of code displays the TCL file.<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>#
+/packages/wp/www/create-slide-2.tcl<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>ad_page_contract {<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">���� </span>@author Paul Konigsberg
+(paul@arsdigita.com)<span style="mso-spacerun: yes">���� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">���� </span>@creation-date Tue Nov 21 10:41:42 2000<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">���� </span>@cvs-id $Id: create-slide-2.tcl,v 1.1.1.1
+2001/04/20 20:51:24 donb Exp $<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>} {<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>pres_item_id:naturalnum,notnull<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>slide_title:notnull<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>sort_key:naturalnum<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>preamble<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>array_max:integer<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>bullet:array<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>postamble<span style="mso-spacerun:
+yes">��� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>}<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>set package_id
+[ad_conn package_id]<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>set user_id
+[ad_verify_and_get_user_id]<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>set creation_ip
+[ad_conn peeraddr]<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>set bullet_list
+[list]<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>for {set i 1} {$i
+<= $array_max} {incr i} {<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>if {![empty_string_p $bullet($i)]} {<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">������� </span>lappend bullet_list $bullet($i)<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>}<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>}<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>#insert the slide<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>db_exec_plsql
+wp_slide_insert {<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>begin<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>:1 := wp_slide.new(<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>pres_item_id<span style="mso-spacerun:
+yes">����� </span>=> :pres_item_id,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>creation_user<span style="mso-spacerun:
+yes">���� </span>=> :user_id,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>creation_ip<span style="mso-spacerun:
+yes">������ </span>=> :creation_ip,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>creation_date<span style="mso-spacerun:
+yes">���� </span>=> sysdate,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>slide_title<span style="mso-spacerun:
+yes">������ </span>=> :slide_title,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>original_slide_id => -100,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>sort_key<span style="mso-spacerun:
+yes">��������� </span>=> :sort_key,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>preamble<span style="mso-spacerun:
+yes">��������� </span>=> :preamble,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>postamble<span style="mso-spacerun:
+yes">������� </span><span style="mso-spacerun: yes">�</span>=> :postamble,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>bullet_items<span style="mso-spacerun:
+yes">����� </span>=> :bullet_list<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>);<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span>end;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>}<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'>ad_returnredirect
+"presentation-top?[export_url_vars pres_item_id]"<o:p></o:p></span></p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:15.0pt'><!--[if gte vml 1]><v:shape id="_x0000_s2246" type="#_x0000_t202"
+ style='position:absolute;margin-left:9.55pt;margin-top:7.25pt;width:495.55pt;
+ height:37.4pt;z-index:10'/><![endif]--><![if !vml]><span style='mso-ignore:
+vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=13 height=10></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=663 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:10'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2246" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.12: The TCL file for the
+ creation of a slide. It sets the variables so that they may be passed onto
+ the database.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:15.0pt'><span style='color:black'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText align=left style='margin-left:0cm;text-align:left;
+text-indent:15.0pt'><span style='color:black'>From here there are the XQL files
+that interface with the data models. These files take the user input variables
+and use these to enter information, modify information and get information from
+the database. There are three types of XQL files depending on the types of
+query being performed. If the query is compatible with both Oracle and
+PostgreSQL then there is only a single *.xql file, as in this case. However, if
+there are differences, as decided by the Query Extractor, then there will be
+three XQL files created. The general *.xql file, that any common queries can be
+placed into, a postgresql.xql file and an oracle.xql file. Each of these files
+will take database specific queries. It is this mechanism that allows the
+OpenACS system to be database independent.<span style="mso-spacerun: yes">�
+</span>For the example being discussed the following is the section of code
+dealing with the queries for creating a slide (Figure 5.13).<span
+style='mso-tab-count:2'>����������������������� </span></span><span
+style='color:red'><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><?xml
+version="1.0"?><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><queryset><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��
+</span><rdbms><type>postgresql</type><version>7.1</version></rdbms><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><fullquery
+name="wp_slide_insert"><span style="mso-spacerun: yes">�����
+</span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span><querytext><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">� </span>select wp_slide__new(<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">��� </span><span style='mso-tab-count:1'>���� </span>:pres_item_id,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='text-indent:18.0pt;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:1'>����� </span>now(),<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>:user_id,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span><span style='mso-tab-count:1'>�� </span>:creation_ip,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">�</span><span style='mso-tab-count:2'>������� </span>:slide_title,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>'-1',<span style="mso-spacerun:
+yes">����� </span><span style='mso-tab-count:1'> </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>'-100',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span><span style='mso-tab-count:1'>�� </span>:sort_key,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span><span style='mso-tab-count:1'>�� </span>:preamble,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>:bullet_list,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>:postamble,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>'t',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>'f',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style='mso-tab-count:2'>�������� </span>NULL<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span>);<o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">����� </span></querytext><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'></fullquery><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+style="mso-spacerun: yes">�</span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='background:#E6E6E6;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'></queryset><o:p></o:p></span></p>
+
+<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
+style='font-size:10.0pt;font-family:"Courier New";mso-bidi-font-family:"Times New Roman";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal><!--[if gte vml 1]><o:wrapblock><v:shape id="_x0000_s2247"
+ type="#_x0000_t202" style='position:absolute;left:0;text-align:left;
+ margin-left:46.95pt;margin-top:5.45pt;width:448.8pt;height:37.4pt;z-index:11'/>
+ <![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+ <table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=63 height=7></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=601 height=53 align=left valign=top bgcolor=white
+ style='border:.75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:11'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2247" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 5.13: This fragment of
+ code shows how the Query is actually passed to the RDBMS.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+ </table>
+ </span><![endif]><!--[if gte vml 1]></o:wrapblock><![endif]--><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<span style='font-size:12.0pt;mso-bidi-font-size:10.0pt;font-family:Arial;
+mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman";
+color:red;letter-spacing:-.25pt;mso-ansi-language:EN-AU;mso-fareast-language:
+EN-US;mso-bidi-language:AR-SA'><br clear=all style='mso-special-character:line-break;
+page-break-before:always'>
+</span>
+
+<p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+style='color:red'><o:p></o:p></span></p>
+
+<p class=MsoNormal><span style='color:red'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal><span style='color:red'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal><span style='color:red'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<div style='border:none;border-top:solid windowtext .75pt;padding:16.0pt 0cm 0cm 0cm'>
+
+<p class=MsoTitle><a name="_Toc528375545"></a><a name="_Toc528662635"></a><a
+name="_Toc528922562"><span style='mso-bookmark:_Toc528662635'><span
+style='mso-bookmark:_Toc528375545'>Creation of Wimpy Point version 4.x</span></span></a></p>
+
+</div>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288172"></a><a name="_Toc527288528"></a><a
+name="_Toc527288908"></a><a name="_Toc528375546"></a><a name="_Toc528659950"><span
+style='mso-bookmark:_Toc528375546'><span style='mso-bookmark:_Toc527288908'><span
+style='mso-bookmark:_Toc527288528'><span style='mso-bookmark:_Toc527288172'>Steps
+Involved in Thesis</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>This
+thesis required a majority of practical with a small amount of research needed
+to understand the basics of all the different programming languages involved
+and how they all worked together in OpenACS. The research also covered the
+standards that were required to be followed by the team at OpenACS. The
+following are the steps, in chronological order, that were taken to complete
+the thesis project:</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Research of material</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l67 level2 lfo133;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Programming
+Languages</p>
+
+<p class=MsoBodyText style='margin-left:162.0pt;text-indent:-18.0pt;mso-list:
+l67 level3 lfo133;tab-stops:list 162.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>TCL</p>
+
+<p class=MsoBodyText style='margin-left:162.0pt;text-indent:-18.0pt;mso-list:
+l67 level3 lfo133;tab-stops:list 162.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>SQL</p>
+
+<p class=MsoBodyText style='margin-left:162.0pt;text-indent:-18.0pt;mso-list:
+l67 level3 lfo133;tab-stops:list 162.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>PostgreSQL Data Model Creation</p>
+
+<p class=MsoBodyText style='margin-left:162.0pt;text-indent:-18.0pt;mso-list:
+l67 level3 lfo133;tab-stops:list 162.0pt'><![if !supportLists]><span
+style='font-family:Wingdings'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>XQL</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l67 level2 lfo133;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>OpenACS
+standards and background</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l67 level2 lfo133;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Wimpy
+Point</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l67 level2 lfo133;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Online
+Communities (Greenspuns Book) etc. (quote references here)</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Setup Wimpy Point packages directory, where OpenACS is
+installed </p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Wimpy Point data model creation and drop files for
+PostgreSQL</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Run the Query Extractor</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Make Query files PostgreSQL compatible</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Test the Wimpy Point package</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l67 level1 lfo133;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Commit the Wimpy Point package to the OpenACS CVS</p>
+
+<p class=MsoBodyText style='margin-left:0cm'>Each step is further expanded upon
+in the following sections.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288173"></a><a name="_Toc527288529"></a><a
+name="_Toc527288909"></a><a name="_Toc528375547"></a><a name="_Toc528659951"><span
+style='mso-bookmark:_Toc528375547'><span style='mso-bookmark:_Toc527288909'><span
+style='mso-bookmark:_Toc527288529'><span style='mso-bookmark:_Toc527288173'>Research</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>The
+research conducted involved intensive online study of a number of web sites for
+the knowledge and background information required to complete the project. The
+websites referenced are:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l101 level1 lfo134;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><a href="http://www.openacs.org/">http://www.openacs.org</a></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l101 level1 lfo134;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]><a href="http://www.arsdigita.com/">http://www.arsdigita.com</a></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>Both sites
+proved a wealth of knowledge and were used to gather information regarding the
+different languages used such as:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l11 level1 lfo135;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>TCL</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l11 level1 lfo135;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>SQL</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:
+l11 level1 lfo135;tab-stops:list 72.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>PostgreSQL data model creation</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>In addition it
+was also important to research how all these different elements of OpenACS fit
+together. In this respect the <a href="http://www.openacs.org/">www.openacs.org</a>
+site was of extreme usefulness as they actually contain a number of basic
+guidelines that allow a beginner to gain a grasp of the work involved and how
+to proceed. This site also had a discussion forum for package developers that
+proved to be a very useful resource for problems that were ingrained in the
+OpenACS system.</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>The use of
+both the OpenACS and ArsDigita web sites was good to gain an understanding of
+how to write code in the different languages involved and also on the standards
+that must be followed for the OpenACS system. These standards were fairly
+general in nature and mostly dealt with syntactical changes that would need to
+be implemented and <span style='color:black'>did not involve any discussions on
+how the design of the data models would change from OpenACS v.3.2 to OpenACS
+v.4.2.<span style="mso-spacerun: yes">� </span><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>An example of
+some of these standards that proved to be very useful for the porting of the
+Wimpy Point package are:</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>1.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>File
+Naming<span style='mso-tab-count:1'>�������� </span></p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>a.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>General:
+object_type-verb.extension. In the case of specific packages, such as Wimpy
+Point there is no need for the object type as all the files will share the same
+object type, wimpy-point. As such this can be omitted.</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>b.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>For
+Web page flows: These are the files that step through a number of processes for
+loading information use the following format:</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>i.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>verb.extension</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>ii.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>verb-2.extesion</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>iii.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>�</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>iv.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>verb-N.extension</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>2.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Normally
+these page flows follow the following steps: </p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>3.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Present
+a form to the user.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>4.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Present
+confirmation to the user.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>5.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Perform
+the database query to return the information to the user.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>6.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Further
+to this there are a number of different categories for the file types and each
+type will go into a different directory structure.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>7.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Data
+Model files need to go into the /package_name/sql/postgresql/ directoy.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>8.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Tcl,
+ADP and XQL files need to go into the /package_name/www/ directory tree.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>9.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>File
+Headers</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>a.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Need
+to include headers in the files. These headers will describe:</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>i.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>Path from the server.</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>ii.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>Brief description of what the file does.</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-126.0pt;
+mso-text-indent-alt:-9.0pt;mso-list:l41 level3 lfo136;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font:7.0pt "Times New Roman"'>
+</span>iii.<span style='font:7.0pt "Times New Roman"'>
+</span><![endif]>Authors email address and creation date.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>10.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Data Modelling</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>a.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>At
+the moment this is up to the creators design.</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>b.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>In
+the future, it is panned to have standardised column names and naming
+conventions.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]>11.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Documentation</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>a.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Currently
+at authors discretion.</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l41 level2 lfo136;tab-stops:list 90.0pt'><![if !supportLists]>b.<span
+style='font:7.0pt "Times New Roman"'> </span><![endif]>Currently
+under discussion.</p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='color:black'>12.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
+style='color:black'>When naming the files use name-name.extension<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='color:black'>13.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
+style='color:black'>When using variables use name_name_name.extension<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:54.0pt;text-indent:-18.0pt;mso-list:
+l41 level1 lfo136;tab-stops:list 54.0pt'><![if !supportLists]><span
+style='color:black'>14.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]><span
+style='color:black'>List the standards<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'><span
+style='color:black'>The discussion on how OpenACS works and how the different
+packages work together was also very useful, though the information is very
+general and should have had more specific data on the dependencies and how
+packages used the different tables and content types and items that are used by
+PostgreSQL.<o:p></o:p></span></p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288174"></a><a name="_Toc527288530"></a><a
+name="_Toc527288910"></a><a name="_Toc528375548"></a><a name="_Toc528659952"><span
+style='mso-bookmark:_Toc528375548'><span style='mso-bookmark:_Toc527288910'><span
+style='mso-bookmark:_Toc527288530'><span style='mso-bookmark:_Toc527288174'>Setup
+OpenACS Installation</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'>This procedure
+involved implementing the new directory and file structure that is used by
+OpenACS v 4.2. As such it involved the creation of a new sub-directory within
+/sql/ called /postgresql/. This simply separates the data model creation and
+deletion code based on the type of RDBMS used. It permits the OpenACS package
+to be database independent and provides for future improvements in the
+scalability of the application (see Chapter ) as more sub-directories could be
+added with the appropriate data model creation and deletion code for any type
+of RDBMS.</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'>This directory
+structure will allow for the implementation of Database Independence by
+allowing for the separation and logical organisation of code for different
+types of database systems.</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'>The new
+directory structure is graphically displayed below with the change from the
+previous version of OpenACS to the current version. As is evident there has
+been the addition of sub-directories within the /sql directory. This allows
+separation of code for the two RDBMS types whilst also maintaining a logical
+directory structure:</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'><!--[if gte vml 1]><v:group
+ id="_x0000_s2292" style='position:absolute;left:0;text-align:left;
+ margin-left:65.65pt;margin-top:12.95pt;width:392.7pt;height:108pt;z-index:19'
+ coordorigin="2447,4418" coordsize="7854,2160">
+ <v:rect id="_x0000_s2289" style='position:absolute;left:2447;top:4418;width:3215;
+ height:2040;mso-wrap-style:none;v-text-anchor:middle'>
+ <v:fill alignshape="f"/>
+ <v:stroke imagealignshape="f"/>
+ <v:shadow color="black"/>
+ <v:textbox>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span lang=EN-US style='mso-bidi-font-size:14.0pt;
+ color:#000066;mso-ansi-language:EN-US'>/packages<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span lang=EN-US style='mso-bidi-font-size:14.0pt;
+ color:#000066;mso-ansi-language:EN-US'><span style="mso-spacerun: yes">���
+ </span></span><span lang=EN-US style='mso-bidi-font-size:14.0pt;
+ font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+ Arial;color:#000066;mso-ansi-language:EN-US;mso-char-type:symbol;
+ mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;
+ mso-symbol-font-family:Wingdings'>�</span></span><span lang=EN-US
+ style='mso-bidi-font-size:14.0pt;color:#000066;mso-ansi-language:EN-US'>/wp-slim<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm;mso-list:
+ l106 level1 lfo152;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ lang=EN-US style='font-size:14.0pt;font-family:Wingdings;color:#000066;
+ mso-ansi-language:EN-US'>�</span><![endif]><span lang=EN-US
+ style='mso-bidi-font-size:14.0pt;color:#000066;mso-ansi-language:EN-US'>
+ info file<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm;mso-list:
+ l55 level1 lfo153;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ lang=EN-US style='font-size:14.0pt;font-family:Wingdings;color:#000066;
+ mso-ansi-language:EN-US'>�</span><![endif]><span lang=EN-US
+ style='mso-bidi-font-size:14.0pt;color:#000066;mso-ansi-language:EN-US'>/sql<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm;mso-list:
+ l40 level1 lfo154;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ style='font-size:14.0pt;mso-bidi-font-size:24.0pt;font-family:Wingdings;
+ color:#000066'>�</span><![endif]><span lang=EN-US style='mso-bidi-font-size:
+ 14.0pt;color:#000066;mso-ansi-language:EN-US'>/www</span><span
+ style='font-size:24.0pt;color:#000066'><o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:rect id="_x0000_s2290" style='position:absolute;left:6862;top:4418;
+ width:3439;height:2160;mso-wrap-style:none;v-text-anchor:middle'>
+ <v:fill alignshape="f"/>
+ <v:stroke imagealignshape="f"/>
+ <v:shadow color="black"/>
+ <v:textbox>
+ <![if !mso]>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span lang=EN-US style='mso-bidi-font-size:12.0pt;
+ color:#000066;mso-ansi-language:EN-US'>/packages<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span lang=EN-US style='mso-bidi-font-size:12.0pt;
+ color:#000066;mso-ansi-language:EN-US'><span style="mso-spacerun: yes">���
+ </span></span><span lang=EN-US style='mso-bidi-font-size:12.0pt;
+ font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
+ Arial;color:#000066;mso-ansi-language:EN-US;mso-char-type:symbol;
+ mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;
+ mso-symbol-font-family:Wingdings'>�</span></span><span lang=EN-US
+ style='mso-bidi-font-size:12.0pt;color:#000066;mso-ansi-language:EN-US'>/wp-slim<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm;mso-list:
+ l10 level1 lfo151;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ lang=EN-US style='mso-bidi-font-size:12.0pt;font-family:Wingdings;
+ color:#000066;mso-ansi-language:EN-US'>�</span><![endif]><span lang=EN-US
+ style='mso-bidi-font-size:12.0pt;color:#000066;mso-ansi-language:EN-US'>
+ info file<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm;mso-list:
+ l10 level1 lfo151;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ lang=EN-US style='mso-bidi-font-size:12.0pt;font-family:Wingdings;
+ color:#000066;mso-ansi-language:EN-US'>�</span><![endif]><span lang=EN-US
+ style='mso-bidi-font-size:12.0pt;color:#000066;mso-ansi-language:EN-US'>/sql<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:72.0pt;text-indent:0cm;mso-list:
+ l10 level1 lfo151;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ lang=EN-US style='mso-bidi-font-size:12.0pt;font-family:Wingdings;
+ color:#000066;mso-ansi-language:EN-US'>�</span><![endif]><span lang=EN-US
+ style='mso-bidi-font-size:12.0pt;color:#000066;mso-ansi-language:EN-US'>/oracle<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:72.0pt;text-indent:0cm;mso-list:
+ l10 level1 lfo151;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ lang=EN-US style='mso-bidi-font-size:12.0pt;font-family:Wingdings;
+ color:#000066;mso-ansi-language:EN-US'>�</span><![endif]><span lang=EN-US
+ style='mso-bidi-font-size:12.0pt;color:#000066;mso-ansi-language:EN-US'>/postgresql<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:36.0pt;text-indent:0cm;mso-list:
+ l10 level1 lfo151;mso-layout-grid-align:none;text-autospace:none'><![if !supportLists]><span
+ style='mso-bidi-font-size:12.0pt;font-family:Wingdings;color:#000066'>�</span><![endif]><span
+ lang=EN-US style='mso-bidi-font-size:12.0pt;color:#000066;mso-ansi-language:
+ EN-US'>/www</span><span style='mso-bidi-font-size:12.0pt;color:#000066'><o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ <![endif]></v:textbox>
+ </v:rect><v:shape id="_x0000_s2291" type="#_x0000_t13" style='position:absolute;
+ left:5542;top:5258;width:1560;height:240;mso-wrap-style:none;v-text-anchor:middle'>
+ <v:fill alignshape="f"/>
+ <v:stroke imagealignshape="f"/>
+ <v:shadow color="black"/>
+ </v:shape></v:group><v:shape id="_x0000_s2293" type="#_x0000_t202" style='position:absolute;
+ left:0;text-align:left;margin-left:37.6pt;margin-top:123.8pt;width:439.45pt;
+ height:37.4pt;z-index:20'/><![endif]--><![if !vml]><span style='mso-ignore:
+vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=50 height=17></td>
+ <td width=38></td>
+ <td width=526></td>
+ <td width=25></td>
+ </tr>
+ <tr>
+ <td height=147></td>
+ <td></td>
+ <td align=left valign=top><img width=526 height=147
+ src="./dev-doc_files/image002.gif" v:shapes="_x0000_s2292 _x0000_s2289 _x0000_s2290 _x0000_s2291"></td>
+ </tr>
+ <tr>
+ <td height=1></td>
+ </tr>
+ <tr>
+ <td height=53></td>
+ <td colspan=3 width=589 height=53 align=left valign=top bgcolor=white
+ style='border:.75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:20'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2293" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 6.1: This is a graphical
+ representation of the change required in the Directory Structure to allow
+ for Database Independence.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:17.05pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288175"></a><a name="_Toc527288531"></a><a
+name="_Toc527288911"></a><a name="_Toc528375549"></a><a name="_Toc528659953"><span
+style='mso-bookmark:_Toc528375549'><span style='mso-bookmark:_Toc527288911'><span
+style='mso-bookmark:_Toc527288531'><span style='mso-bookmark:_Toc527288175'>Data
+Models</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>This
+was the most intense and time-consuming aspect of the project. It involved the
+most work in the sense that the PostgreSQL data model code had very few
+similarities to the Oracle data models. There were also a lot of changes in the
+syntax and headings used by PostgreSQL, which meant that the Oracle code had to
+be drastically re-written. There are some basic syntactical changes that had to
+be implemented and these include:</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l139 level1 lfo137;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>The use of inline functions to head operations. This
+was not required under the Oracle system.</p>
+
+<table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;
+ border:none;mso-border-alt:solid windowtext .5pt;mso-padding-alt:0cm 5.4pt 0cm 5.4pt'>
+ <tr>
+ <td width=319 valign=top style='width:239.3pt;border:solid windowtext .5pt;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText style='margin-left:0cm'>Oracle</p>
+ </td>
+ <td width=360 valign=top style='width:270.1pt;border:solid windowtext .5pt;
+ border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText style='margin-left:0cm'>PostgreSQL</p>
+ </td>
+ </tr>
+ <tr>
+ <td width=319 valign=top style='width:239.3pt;border:solid windowtext .5pt;
+ border-top:none;mso-border-top-alt:solid windowtext .5pt;background:#E6E6E6;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;mso-fareast-font-family:
+ "MS Mincho"'><span style="mso-spacerun: yes">� </span></span><span
+ style='font-size:10.0pt;font-family:"Courier New";letter-spacing:0pt'>commit;<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>-- Define some privileges on the wp_presentation object.<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>Begin<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>acs_privilege.create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�����
+ </span>'wp_admin_presentation');<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>acs_privilege.create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�����
+ </span>'wp_create_presentation');<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>acs_privilege.create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�����
+ </span>'wp_edit_presentation'); <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>acs_privilege.create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�����
+ </span>'wp_delete_presentation');<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>acs_privilege.create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�����
+ </span>'wp_view_presentation');<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>commit;<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>end;<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ mso-fareast-font-family:"MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ <td width=360 valign=top style='width:270.1pt;border-top:none;border-left:
+ none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
+ mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
+ background:#E6E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>create function inline_10 ()<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>returns integer as'<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>begin<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>PERFORM
+ acs_privilege__create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>''wp_admin_presentation'',
+ <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null, <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:1'>����� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>PERFORM
+ acs_privilege__create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>''wp_create_presentation'',
+ <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null, <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:1'>����� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>PERFORM
+ acs_privilege__create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>''wp_edit_presentation'',
+ <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null, <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:1'>����� </span>); <span
+ style='mso-tab-count:1'>�� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>PERFORM
+ acs_privilege__create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>''wp_delete_presentation'',
+ <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null, <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:1'>����� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">������� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>PERFORM
+ acs_privilege__create_privilege(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>''wp_view_presentation'',
+ <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null, <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:2'>����������� </span>null<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:1'>����� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style='mso-tab-count:1'>����� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>return 0;<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>end;' language 'plpgsql';<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>select inline_10 ();<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><span style='font-size:10.0pt;
+ font-family:"Courier New";letter-spacing:0pt'>drop function inline_10 ();</span><span
+ style='font-size:10.0pt;mso-fareast-font-family:"MS Mincho"'><o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ </tr>
+</table>
+
+<p class=MsoBodyText style='margin-left:72.0pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2251" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:9.55pt;margin-top:7.9pt;width:476.85pt;height:37.4pt;
+ z-index:14;mso-position-horizontal-relative:text;
+ mso-position-vertical-relative:text'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout;position:absolute;z-index:59;left:0px;margin-left:
+13px;margin-top:11px;width:639px;height:52px'>
+
+<table cellpadding=0 cellspacing=0>
+ <tr>
+ <td width=639 height=52 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;left:0pt;z-index:14'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2251" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 6.2: These sections of code
+ display the differences in the way Oracle and PostgreSQL use routine
+ headers. It is also a good example of the differences in the syntax used
+ between the two systems.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l139 level1 lfo137;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Syntactic changes (see Figure 7.05)</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'>There were of
+course some major differences in the data models for the two versions. These
+differences involved a number of factors such as:</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l139 level1 lfo137;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>PostgreSQL does not use procedures, unlike Oracle which
+uses both functions and procedures. This does not really affect anything as all
+that needs to be done is the replacement of the word �procedure� with
+�function�. </p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l139 level1 lfo137;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>There is a major difference for the declaration of
+functions. Oracle does it the following way for a particular function:</p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:36.0pt'><!--[if gte vml 1]><v:rect
+ id="_x0000_s2252" style='position:absolute;left:0;text-align:left;
+ margin-left:-9.15pt;margin-top:16.35pt;width:532.95pt;height:224.4pt;
+ z-index:15' fillcolor="#eaeaea"/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout;position:absolute;z-index:60;left:0px;margin-left:
+-12px;margin-top:22px;width:713px;height:302px'>
+
+<table cellpadding=0 cellspacing=0>
+ <tr>
+ <td width=713 height=302 align=left valign=top bgcolor="#eaeaea"
+ style='border:.75pt solid black;vertical-align:top;background:#EAEAEA'><![endif]><![if !mso]><span
+ style='position:absolute;left:0pt;z-index:15'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2252" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal><span style='font-size:10.0pt'>create or replace package
+ wp_slide<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'>as<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">� </span>function new (<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>pres_item_id<span style="mso-spacerun:
+ yes">������� </span><span style='mso-tab-count:1'>����������� </span>in
+ cr_items.item_id%TYPE,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>creation_date<span style='mso-tab-count:
+ 2'>������������������ </span>in acs_objects.creation_date%TYPE default
+ sysdate,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>creation_user<span style='mso-tab-count:
+ 2'>������������������ </span>in acs_objects.creation_user%TYPE default
+ null,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>creation_ip<span style='mso-tab-count:
+ 3'>��������������������������������� </span>in acs_objects.creation_ip%TYPE
+ default null,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>slide_title<span style="mso-spacerun:
+ yes">�������������� </span><span style='mso-tab-count:1'>�������� </span>in
+ cr_wp_slides.slide_title%TYPE,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>style<span style="mso-spacerun:
+ yes">�������������� </span><span style='mso-tab-count:2'>��������������� </span>in
+ cr_wp_slides.style%TYPE default -1,<span style="mso-spacerun: yes">����
+ </span><o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>original_slide_id<span
+ style="mso-spacerun: yes">�� </span><span style='mso-tab-count:1'>����������� </span>in
+ cr_wp_slides.original_slide_id%TYPE,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>sort_key<span style="mso-spacerun:
+ yes">����������� </span><span style='mso-tab-count:1'>� </span>in
+ cr_wp_slides.sort_key%TYPE,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>preamble<span style="mso-spacerun:
+ yes">����������� </span><span style='mso-tab-count:1'> </span>in varchar2,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>bullet_items<span style="mso-spacerun:
+ yes">������� </span><span style='mso-tab-count:1'> </span>in varchar2,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>postamble<span style="mso-spacerun:
+ yes">���������� </span><span style='mso-tab-count:1'>����������� </span>in
+ varchar2,<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>include_in_outline_p <span
+ style='mso-tab-count:1'>������� </span>in
+ cr_wp_slides.include_in_outline_p%TYPE default 't',<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>context_break_after_p <span
+ style='mso-tab-count:1'>���� </span>in
+ cr_wp_slides.context_break_after_p%TYPE default 'f',<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">��� </span>context_id<span style="mso-spacerun:
+ yes">��������� </span><span style='mso-tab-count:1'> </span>in
+ acs_objects.context_id%TYPE default null<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt'><span
+ style="mso-spacerun: yes">� </span>) return cr_items.item_id%TYPE;<o:p></o:p></span></p>
+ <p class=MsoIndexHeading style='line-height:normal;page-break-after:auto'><span
+ style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]>To declare the function:</p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:3'>����������������������������������� </span></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><!--[if gte vml 1]><v:shape id="_x0000_s2255"
+ type="#_x0000_t202" style='position:absolute;left:0;text-align:left;
+ margin-left:9.55pt;margin-top:28.65pt;width:495.55pt;height:37.4pt;z-index:16'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=13 height=38></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=663 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:16'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2255" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal style='margin-left:0cm'>Figure 6.3: Declaration of Functions
+ in Oracle</p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:36.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:36.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:36.0pt'>To perform
+the function:</p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'>create or replace package body wp_slide<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'>as<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>function new (<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>pres_item_id<span style="mso-spacerun: yes">������� </span><span
+style='mso-tab-count:1'>����� </span>in cr_items.item_id%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>creation_date<span
+style='mso-tab-count:3'>������������ </span>in acs_objects.creation_date%TYPE
+default sysdate,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>creation_user<span
+style='mso-tab-count:3'>������������ </span>in acs_objects.creation_user%TYPE
+default null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>creation_ip<span
+style='mso-tab-count:3'>�������������� </span>in acs_objects.creation_ip%TYPE
+default null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>slide_title<span
+style="mso-spacerun: yes">������������ </span><span style="mso-spacerun:
+yes">��</span>in cr_wp_slides.slide_title%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>style<span
+style="mso-spacerun: yes">�������������� </span><span style='mso-tab-count:
+1'>����� </span>in cr_wp_slides.style%TYPE default -1,<span
+style="mso-spacerun: yes">���� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>original_slide_id<span style="mso-spacerun: yes">�� </span><span
+style='mso-tab-count:1'>����� </span>in cr_wp_slides.original_slide_id%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>sort_key<span
+style="mso-spacerun: yes">����������� </span><span style='mso-tab-count:1'>����� </span>in
+cr_wp_slides.sort_key%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>preamble<span
+style="mso-spacerun: yes">����������� </span><span style='mso-tab-count:1'>����� </span>in
+varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>bullet_items<span style="mso-spacerun: yes">������� </span><span
+style='mso-tab-count:1'>����� </span>in varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>postamble<span
+style="mso-spacerun: yes">���������� </span><span style='mso-tab-count:1'>����� </span>in
+varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>include_in_outline_p <span style='mso-tab-count:1'>���� </span>in
+cr_wp_slides.include_in_outline_p%TYPE default 't',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>context_break_after_p <span style='mso-tab-count:1'>��� </span>in
+cr_wp_slides.context_break_after_p%TYPE default 'f',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>context_id<span
+style="mso-spacerun: yes">��������� </span><span style='mso-tab-count:1'>����� </span>in
+acs_objects.context_id%TYPE default null<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>) return
+cr_items.item_id%TYPE<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>is<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_item_id<span
+style='mso-tab-count:3'>���������������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_preamble_item_id<span style='mso-tab-count:2'>������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_postamble_item_id<span style='mso-tab-count:2'>������ </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_bullet_items_item_id<span style='mso-tab-count:1'>��� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_revision_id<span
+style='mso-tab-count:2'>������ </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_preamble_revision_id<span style='mso-tab-count:1'>��� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_postamble_revision_id<span style='mso-tab-count:1'>�� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_bullet_items_revision_id<span style='mso-tab-count:1'>����� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_max_id<span
+style='mso-tab-count:3'>����������������� </span>integer;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_name<span
+style='mso-tab-count:3'>������������� </span>cr_wp_slides.slide_title%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>begin<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�� </span><span
+style='mso-tab-count:1'>�� </span>� <o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�</span><span
+style='mso-tab-count:1'>���� </span>return v_item_id;<o:p></o:p></span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;background:#E6E6E6'><span
+style='font-size:10.0pt;font-family:"Courier New";letter-spacing:0pt'><span
+style="mso-spacerun: yes">� </span>end;</span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2256" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:18.9pt;margin-top:9.3pt;width:495.55pt;height:37.4pt;
+ z-index:17'/><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=25 height=12></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=664 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:17'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2256" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal style='margin-left:0cm'>Figure 6.4: Declaration of
+ Functions in Oracle</p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:72.0pt;text-indent:35.95pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:35.95pt'>Whereas
+PostgreSQL does it in one easy step, almost not even declaring the function:</p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'>create or replace package body wp_slide<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'>as<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>function new (<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>pres_item_id<span style="mso-spacerun: yes">������� </span><span
+style='mso-tab-count:1'>����� </span>in cr_items.item_id%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>creation_date<span
+style='mso-tab-count:3'>������������ </span>in acs_objects.creation_date%TYPE
+default sysdate,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>creation_user<span
+style='mso-tab-count:3'>������������ </span>in acs_objects.creation_user%TYPE
+default null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>creation_ip<span
+style='mso-tab-count:3'>�������������� </span>in acs_objects.creation_ip%TYPE
+default null,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>slide_title<span
+style="mso-spacerun: yes">�������������� </span>in
+cr_wp_slides.slide_title%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>style<span
+style="mso-spacerun: yes">�������������� </span><span style='mso-tab-count:
+1'>����� </span>in cr_wp_slides.style%TYPE default -1,<span
+style="mso-spacerun: yes">���� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>original_slide_id<span style="mso-spacerun: yes">�� </span><span
+style='mso-tab-count:1'>����� </span>in cr_wp_slides.original_slide_id%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>sort_key<span
+style="mso-spacerun: yes">����������� </span><span style='mso-tab-count:1'>����� </span>in
+cr_wp_slides.sort_key%TYPE,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>preamble<span
+style="mso-spacerun: yes">����������� </span><span style='mso-tab-count:1'>����� </span>in
+varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>bullet_items<span style="mso-spacerun: yes">������� </span><span
+style='mso-tab-count:1'>����� </span>in varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>postamble<span
+style="mso-spacerun: yes">���������� </span><span style='mso-tab-count:1'>����� </span>in
+varchar2,<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>include_in_outline_p <span style='mso-tab-count:1'>���� </span>in
+cr_wp_slides.include_in_outline_p%TYPE default 't',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>context_break_after_p <span style='mso-tab-count:1'>��� </span>in
+cr_wp_slides.context_break_after_p%TYPE default 'f',<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>context_id<span
+style="mso-spacerun: yes">��������� </span><span style='mso-tab-count:1'>����� </span>in
+acs_objects.context_id%TYPE default null<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>) return
+cr_items.item_id%TYPE<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>is<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_item_id<span
+style='mso-tab-count:3'>���������������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_preamble_item_id<span style='mso-tab-count:2'>������� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_postamble_item_id<span style='mso-tab-count:2'>������ </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_bullet_items_item_id<span style='mso-tab-count:1'>��� </span>cr_items.item_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_revision_id<span
+style='mso-tab-count:2'>������ </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_preamble_revision_id<span style='mso-tab-count:1'>��� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_postamble_revision_id<span style='mso-tab-count:1'>�� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">���
+</span>v_bullet_items_revision_id<span style='mso-tab-count:1'>����� </span>cr_revisions.revision_id%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_max_id<span
+style='mso-tab-count:3'>����������������� </span>integer;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">��� </span>v_name<span
+style='mso-tab-count:3'>������������� </span>cr_wp_slides.slide_title%TYPE;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>begin<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�� </span><span
+style='mso-tab-count:1'>�� </span>� <o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�� </span><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6;mso-layout-grid-align:
+none;text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+letter-spacing:0pt'><span style="mso-spacerun: yes">�</span><span
+style='mso-tab-count:1'>���� </span>return v_item_id;<o:p></o:p></span></p>
+
+<p class=MsoNormal style='margin-left:0cm;background:#E6E6E6'><span
+style='font-size:10.0pt;font-family:"Courier New";letter-spacing:0pt'><span
+style="mso-spacerun: yes">� </span>end;</span></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><!--[if gte vml 1]><v:shape
+ id="_x0000_s2384" type="#_x0000_t202" style='position:absolute;left:0;
+ text-align:left;margin-left:.2pt;margin-top:15pt;width:495.55pt;height:37.4pt;
+ z-index:21'/><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>
+
+<table cellpadding=0 cellspacing=0 align=left>
+ <tr>
+ <td width=0 height=20></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td width=664 height=53 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;z-index:21'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2384" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal style='margin-left:0cm'>Figure 6.5: Declaration of
+ Functions in PostgreSQL.</p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<br style='mso-ignore:vglayout' clear=ALL>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:14.2pt'>Once these
+changes had been implemented there was also some structural differences in the
+way the PostgreSQL ACS services were implemented. These changes required
+different inputs to data structures and outputs. An example of these types of
+differences is shown here:</p>
+
+<table border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;
+ border:none;mso-border-alt:solid windowtext .5pt;mso-padding-alt:0cm 5.4pt 0cm 5.4pt'>
+ <tr>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText align=center style='margin-left:0cm;text-align:center'>Oracle</p>
+ </td>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText align=center style='margin-left:0cm;text-align:center'>PostgreSQL</p>
+ </td>
+ </tr>
+ <tr>
+ <td width=340 valign=top style='width:254.7pt;border:solid windowtext .5pt;
+ border-top:none;mso-border-top-alt:solid windowtext .5pt;background:#E6E6E6;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>begin<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>content_folder.register_content_type(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">������
+ </span>content_item.c_root_folder_id, <o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">������
+ </span>'cr_wp_presentation');<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>�<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>end;<o:p></o:p></span></p>
+ <p class=MsoNormal><span style='font-size:10.0pt;mso-fareast-font-family:
+ "MS Mincho"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></p>
+ <p class=MsoNormal><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ <td width=340 valign=top style='width:254.7pt;border-top:none;border-left:
+ none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
+ mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
+ background:#E6E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>create function inline_6 ()<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>returns integer as'<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>begin<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">� </span>PERFORM
+ content_folder__register_content_type(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>content_item_globals.c_root_folder_id,<span style="mso-spacerun:
+ yes">��� </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'><span style="mso-spacerun: yes">�
+ </span>''cr_wp_presentation'', ''f'');<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>�<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>return 0;<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>end;' language 'plpgsql';<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>select inline_6 ();<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ letter-spacing:0pt'>drop function inline_6 ();<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><span
+ style='font-size:10.0pt'><o:p></o:p></span></p>
+ </td>
+ </tr>
+</table>
+
+<p class=MsoBodyText style='margin-left:0cm'><!--[if gte vml 1]><v:shape id="_x0000_s2257"
+ type="#_x0000_t202" style='position:absolute;left:0;text-align:left;
+ margin-left:28.25pt;margin-top:7.9pt;width:458.15pt;height:37.4pt;z-index:18;
+ mso-position-horizontal-relative:text;mso-position-vertical-relative:text'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout;position:absolute;z-index:64;left:0px;margin-left:
+38px;margin-top:11px;width:614px;height:52px'>
+
+<table cellpadding=0 cellspacing=0>
+ <tr>
+ <td width=614 height=52 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;left:0pt;z-index:18'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2257" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoNormal style='margin-left:0cm'>Figure 6.6: Differences in the
+ way core services are used </p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]></p>
+
+<p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288176"></a><a name="_Toc527288532"></a><a
+name="_Toc527288912"></a><a name="_Toc528375550"></a><a name="_Toc528659954"><span
+style='mso-bookmark:_Toc528375550'><span style='mso-bookmark:_Toc527288912'><span
+style='mso-bookmark:_Toc527288532'><span style='mso-bookmark:_Toc527288176'>Query
+Files</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>This
+step of the Thesis project was perhaps the most varied as there was quite a lot
+of different types of queries being passed to the database. Despite this there
+was a number of procedures that helped to identify the problems and what to do
+with the problems. The first step of the process was to run the Query Extractor
+to determine which files would need to have database specific queries written
+and which ones could use the general query format. </p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>Given this the
+next step involved going through all the *-postgresql.xql files and looking for
+any which had a comment �FIX ME�. These comments indicate the queries which
+would have to be ported. The most useful resource in porting these queries to
+PostgreSQL compliant queries was to look at some of the ACS-services packages
+and compare the Oracle compliant queries with those of the PostgreSQL queries.
+This would indicate what changes were involved in certain situations. In addition,
+an invaluable resource at this stage, and also in the data model stage, was the
+openacs.org bulletin board. The members on this bulletin board are very helpful
+and have a great depth of knowledge that they can apply to the situation.</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:18.15pt'>A comparison
+of the changes in the query files follows with a basic query that calls a
+function and passes it some input.</p>
+
+<table border=1 cellspacing=0 cellpadding=0 style='margin-left:53.85pt;
+ border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt;
+ mso-padding-alt:0cm 5.4pt 0cm 5.4pt'>
+ <tr>
+ <td width=304 valign=top style='width:227.8pt;border:solid windowtext .5pt;
+ background:white;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText style='margin-left:0cm'>Oracle</p>
+ </td>
+ <td width=304 valign=top style='width:227.75pt;border:solid windowtext .5pt;
+ border-left:none;mso-border-left-alt:solid windowtext .5pt;background:white;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoBodyText style='margin-left:0cm'>PostgreSQL</p>
+ </td>
+ </tr>
+ <tr>
+ <td width=304 valign=top style='width:227.8pt;border:solid windowtext .5pt;
+ border-top:none;mso-border-top-alt:solid windowtext .5pt;background:#E6E6E6;
+ padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><fullquery
+ name="wp_slide_insert"><span style="mso-spacerun: yes">�����
+ </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">� </span><querytext><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">��� </span>begin<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>:1 := wp_slide.new(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>pres_item_id => :pres_item_id,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">��� </span><span style="mso-spacerun:
+ yes">��</span>creation_user=> :user_id,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>creation_ip<span style="mso-spacerun:
+ yes">� </span>=> :creation_ip,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>creation_date=> sysdate,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>slide_title<span style="mso-spacerun:
+ yes">� </span>=> :slide_title,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>original_slide_id => -100,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>sort_key<span style="mso-spacerun:
+ yes">���� </span>=> :sort_key,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>preamble<span style="mso-spacerun:
+ yes">���� </span>=> :preamble,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>postamble<span style="mso-spacerun:
+ yes">��� </span>=> :postamble,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>bullet_items => :bullet_list<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">��� </span>end;<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">� </span></querytext><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'></fullquery><o:p></o:p></span></p>
+ <p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+ </td>
+ <td width=304 valign=top style='width:227.75pt;border-top:none;border-left:
+ none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt;
+ mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;
+ background:#E6E6E6;padding:0cm 5.4pt 0cm 5.4pt'>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><fullquery
+ name="wp_slide_insert"><span style="mso-spacerun: yes">�����
+ </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">� </span><querytext><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">��� </span>select wp_slide__new(<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">��� </span><span style='mso-tab-count:1'>� </span>:pres_item_id,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>now(),<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>:user_id,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">���� </span><span style='mso-tab-count:1'> </span>:creation_ip,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">�</span><span style='mso-tab-count:1'>���� </span>:slide_title,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>'-1',<span style="mso-spacerun: yes">���
+ </span><span style="mso-spacerun: yes">��</span><span style='mso-tab-count:
+ 1'> </span><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>'-100',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">���� </span><span style='mso-tab-count:1'> </span>:sort_key,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">���� </span><span style='mso-tab-count:1'> </span>:preamble,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>:bullet_list,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>:postamble,<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>'t',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>'f',<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style='mso-tab-count:1'>����� </span>NULL<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">����� </span>);<o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'><span
+ style="mso-spacerun: yes">� </span></querytext><o:p></o:p></span></p>
+ <p class=MsoNormal style='margin-left:0cm;mso-layout-grid-align:none;
+ text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";
+ mso-bidi-font-family:"Times New Roman";letter-spacing:0pt'></fullquery><o:p></o:p></span></p>
+ <p class=MsoBodyText style='margin-left:0cm'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+ </td>
+ </tr>
+</table>
+
+<p class=MsoBodyText style='margin-left:0cm'><!--[if gte vml 1]><v:shape id="_x0000_s2248"
+ type="#_x0000_t202" style='position:absolute;left:0;text-align:left;
+ margin-left:46.95pt;margin-top:9.35pt;width:458.15pt;height:28.05pt;z-index:12;
+ mso-position-horizontal-relative:text;mso-position-vertical-relative:text'/><![endif]--><![if !vml]><span
+style='mso-ignore:vglayout;position:absolute;z-index:65;left:0px;margin-left:
+63px;margin-top:12px;width:613px;height:41px'>
+
+<table cellpadding=0 cellspacing=0>
+ <tr>
+ <td width=613 height=41 align=left valign=top bgcolor=white style='border:
+ .75pt solid black;vertical-align:top;background:white'><![endif]><![if !mso]><span
+ style='position:absolute;left:0pt;z-index:12'>
+ <table cellpadding=0 cellspacing=0 width="100%">
+ <tr>
+ <td><![endif]>
+ <div v:shape="_x0000_s2248" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
+ class=shape>
+ <p class=MsoPlainText><span style='font-family:Arial;mso-bidi-font-family:
+ "Times New Roman";letter-spacing:-.25pt'>Figure 6.7: Differences in the way
+ queries are written between Oracle and PostgreSQL.<o:p></o:p></span></p>
+ </div>
+ <![if !mso]></td>
+ </tr>
+ </table>
+ </span><![endif]><![if !mso & !vml]> <![endif]><![if !vml]></td>
+ </tr>
+</table>
+
+</span><![endif]></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:36.0pt'>As is evident
+the syntax is noticeable different, as is the order and type of queries being
+passed. This was done because of the PostgreSQL data model changes.</p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288177"></a><a name="_Toc527288533"></a><a
+name="_Toc527288913"></a><a name="_Toc528375551"></a><a name="_Toc528659955"><span
+style='mso-bookmark:_Toc528375551'><span style='mso-bookmark:_Toc527288913'><span
+style='mso-bookmark:_Toc527288533'><span style='mso-bookmark:_Toc527288177'>Testing</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>By
+this stage the data model and queries had been fairly well ported to the
+PostgreSQL RDBMS but there were still be one or two errors in the methods used.
+What testing involved was loading the Wimpy Point package onto the OpenACS
+installation, by installing the package via the admin page. Once installed the
+package is mounted onto a particular subdirectory for the Internet address. </p>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Given
+this, the different functions that are available, via the web site, are tested
+by �clicking� the function and seeing if the operation is successful. If
+successful then this indicates that the function, its accompanying queries and
+data model functions are working as wanted. However, should the operation fail
+then this indicates that one of the following problems has occurred:</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l114 level1 lfo139;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Error with the Data Model</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l114 level2 lfo139;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>In
+the table creation</p>
+
+<p class=MsoBodyText style='margin-left:126.0pt;text-indent:-18.0pt;mso-list:
+l114 level2 lfo139;tab-stops:list 126.0pt'><![if !supportLists]><span
+style='font-family:"Courier New";mso-bidi-font-family:"Times New Roman"'>o<span
+style='font:7.0pt "Times New Roman"'> </span></span><![endif]>In
+the function call for that operation</p>
+
+<p class=MsoBodyText style='margin-left:90.0pt;text-indent:-18.0pt;mso-list:
+l114 level1 lfo139;tab-stops:list 90.0pt'><![if !supportLists]><span
+style='font-family:Symbol'>�<span style='font:7.0pt "Times New Roman"'>
+</span></span><![endif]>Error with the Query file</p>
+
+<p class=MsoBodyText style='margin-left:0cm;text-indent:15.3pt'>The web server
+output will indicate where the problem is. Once the problem has been identified
+the next step is to determine what the correct way of doing the operation is.
+This can be done by viewing some of the other packages that have already been
+ported. In particular attention should be paid to the ACS-services packages
+such as acs-kernel and acs-content-repository. </p>
+
+<div style='border-top:solid white 6.0pt;border-left:solid white .75pt;
+border-bottom:solid white .75pt;border-right:none;padding:3.0pt 0cm 3.0pt 3.0pt;
+background:black;mso-shading:windowtext;mso-pattern:solid auto'>
+
+<h1><a name="_Toc527288178"></a><a name="_Toc527288534"></a><a
+name="_Toc527288914"></a><a name="_Toc528375552"></a><a name="_Toc528659956"><span
+style='mso-bookmark:_Toc528375552'><span style='mso-bookmark:_Toc527288914'><span
+style='mso-bookmark:_Toc527288534'><span style='mso-bookmark:_Toc527288178'>Committing
+Wimpy Point</span></span></span></span></a></h1>
+
+</div>
+
+<p class=MsoBodyText style='margin-left:0cm'><span style='mso-tab-count:1'>����������� </span>Once
+the testing is completed and the package is working the next step involved
+placing the modified Wimpy Point package online within the OpenACS CVS, so that
+it becomes pat of the OpenACS downloadable packages. This will allow it to
+become a part of OpenACS downloadable by others for installation. It also
+allows for further testing to be done on the Wimpy Point package by users of
+OpenACS worldwide.</p>
+
+</div>
+
+</body>
+
+</html>