postgresql7.1 select * from card_percent where ref_community = :community_id order by percent desc select email as teacher_email from acs_users_all where user_id = :my_user_id select email as student_email from acs_users_all where user_id = :user_id update card set comm_teacher = :comment where ref_community = :community_id and card_id = :card_id update card set address = :user_address, phone1 = :user_phones where ref_community = :community_id and card_id = :card_id update card set comm_student = :student_comment where ref_community = :community_id and card_id = :card_id