postgresql7.3 select upper(grade_plural_name) as grade_plural_name, grade_plural_name as low_name,grade_name,weight as grade_weight,weight as category_weight from evaluation_grades where grade_id = :grade_id select et.task_name, round(et.weight,2) as task_weight, et.task_id, (select perfect_score from evaluation_tasks where task_id=et.task_id) as perfect_score, online_p from evaluation_tasksi et, cr_items cri where grade_item_id = :grade_item_id and cri.live_revision = et.task_id $evaluations_orderby select ets.solution_id from evaluation_tasks_sols ets, cr_items cri where ets.task_item_id = (select task_item_id from evaluation_tasks where task_id=:task_id) and cri.live_revision = ets.solution_id select et.task_name, et.task_item_id, et.weight as t_weight, eg.weight as g_weight, round((et.weight*eg.weight)/100,2) as task_weight, et.number_of_members, et.online_p, et.due_date, et.late_submit_p, et.task_id, (select perfect_score from evaluation_tasks where task_id=et.task_id) as perfect_score from evaluation_grades eg, evaluation_tasksi et, cr_items cri where eg.grade_id = :grade_id and eg.grade_item_id = et.grade_item_id and cri.live_revision = et.task_id $evaluations_orderby