postgresql7.4 SELECT as_itemsx.as_item_id, as_itemsx.name, as_itemsx.title, as_itemsx.feedback_right, as_itemsx.feedback_wrong FROM ((as_sectionsx INNER JOIN (as_assessmentsx INNER JOIN as_assessment_section_map ON as_assessmentsx.assessment_id=as_assessment_section_map.assessment_id) ON as_sectionsx.section_id=as_assessment_section_map.section_id) INNER JOIN (as_itemsx INNER JOIN as_item_section_map ON as_itemsx.as_item_id=as_item_section_map.as_item_id) ON as_sectionsx.section_id=as_item_section_map.section_id) INNER JOIN as_sessionsx ON as_assessmentsx.assessment_id = as_sessionsx.assessment_id WHERE as_sessionsx.session_id = :session_id ORDER BY as_item_section_map.sort_order SELECT as_item_choicesx.choice_id, as_item_choicesx.title AS choice_title, as_item_choicesx.correct_answer_p, as_item_choicesx.percent_score, as_item_choicesx.text_value, as_item_choicesx.content_value, as_item_datax.text_answer, as_item_datax.choice_id_answer FROM as_item_choicesx LEFT JOIN (as_item_datax INNER JOIN as_sessionsx ON as_sessionsx.session_id = as_item_datax.session_id) ON as_item_datax.choice_id_answer=as_item_choicesx.choice_id WHERE as_item_choicesx.mc_id=:mc_id AND (as_sessionsx.session_id = :session_id OR as_sessionsx.session_id IS NULL) ORDER BY as_item_choicesx.sort_order SELECT as_item_datax.text_answer FROM as_item_datax, as_sessionsx WHERE as_sessionsx.session_id = as_item_datax.session_id AND as_sessionsx.session_id = :session_id AND as_item_datax.choice_id_answer IS NULL AND as_item_datax.as_item_id = :items_as_item_id