晨小猿
Hello Word.
摘要: A表数据 B表数据 现在要把B表 B_COSTS 的值update到A表 A_COSTS 字段 SQL语法: update a set (a.a_costs) = (select b.b_costs from b where a.id = b.id and a.a_id = b.b_id) wher 阅读全文
posted @ 2017-12-22 17:40 晨小猿 阅读(16664) 评论(0) 推荐(0) 编辑