标题: update where select [打印本页] 作者: luozhangyou 时间: 2022-8-8 01:16 标题: update where select (MS SQL Server)语句：update b set ClientName = a.name from a,b where a.id = b.id
(Oralce)语句：update b set (ClientName) = (SELECT name FROM a WHERE b.id = a.id)
(MySQL)语句：: UPDATE A, B SET A1 = B1, A2 = B2, A3 = B3 WHERE A.ID = B.ID