DB / NoSQL/MariaDB/MySQL
[MySQL] Update Join
뚱2
2014. 7. 30. 16:34
UPDATE
TB_EXAMPLEBOOK_HISTORY AS this
INNER JOIN (
SELECT i.dic_sub_id
, Min(i.example_id) AS work_id
FROM TB_EXAMPLEBOOK_HISTORY i
GROUP BY i.dic_sub_id
) b
ON a.DIC_SUB_ID = b.dic_sub_id
SET a.WORK_ID = b.work_id;