Update a set a.NickName=b.name FROM AccountsInfo a, TT b where a.UserID=b.userId 必须要有关联的两个表 相关文章： 2022-12-23 2022-12-23 2021-09-08 2022-12-23 2022-12-23 2021-10-11 2022-12-23 2022-03-06