select ims_md_id from ims_md_technical where ims_md_id = :ims_md_id update ims_md_technical set t_size = :t_size where ims_md_id = :ims_md_id insert into ims_md_technical (ims_md_id, t_size) values (:ims_md_id, :t_size) select t_size || ' bytes' as t_size_bytes, ims_md_id from ims_md_technical where ims_md_id = :ims_md_id