select apm__register_parameter ( NULL, :package_key, :parameter_name, :description, :datatype, :default_value, :section_name, :min_n_values, :max_n_values); postgresql7.1 select v.package_id, p.parameter_name, coalesce(p.default_value, v.attr_value) attr_value from apm_parameters p, apm_parameter_values v where p.package_key = :package_key and p.parameter_id = v.parameter_id (+) postgresql7.1