select ims_md_id from ims_md_educational where ims_md_id = :ims_md_id update ims_md_educational set difficulty_s = :difficulty_s, difficulty_v = :difficulty_v where ims_md_id = :ims_md_id " insert into ims_md_educational (ims_md_id, difficulty_s, difficulty_v) values (:ims_md_id, :difficulty_s, :difficulty_v) select '(' || difficulty_s || ') ' || difficulty_v as diff, ims_md_id from ims_md_educational where ims_md_id = :ims_md_id