摘要: 用b表的字段dname更新a表的字段dname: update a set a.dname=b.dname from [aTable] a join [bTable] b on a.fk_bId=b.bId 阅读全文
posted @ 2022-06-02 10:42 yuejin 阅读(192) 评论(0) 推荐(0) 编辑