postgresql7.4 SELECT l.lab_id, l.name AS lab_name, l.instructor_id, to_char(l.start_date, 'YYYY') AS year FROM lrc_lab l, lrc_lab_student_map s WHERE s.lab_id = l.lab_id AND l.lab_id = :lab_id AND s.user_id = :author_id SELECT name AS template_name, description AS template_desc FROM lrc_template WHERE template_id = :template_id SELECT name AS section_name, description AS section_desc FROM lrc_section WHERE section_id = :section_id UPDATE lr_section_comment SET comment = :comment WHERE comment_id = :comment_id UPDATE acs_objects SET modifying_user = :modifying_user, modifying_ip = :modifying_ip, package_id = :package_id WHERE object_id = :comment_id