SQLにてデータをインポート
カテゴリ情報
begin; insert into dtb_category(category_name, parent_category_id, "level", creator_id, del_flg) select distinct c058 as category_name , 0 as parent_category_id, 1 as "level", 0 as creator_id, 0 as del_flg from wrk_articles; commit;