摘要: 同库操作select a.列名1,b.列名2,a.列名3 from 表名1 as ajoin 表名2 as bon a.关联字段=b.关联字段 不同库操作select a.列名1,b.列名2,a.列名3 from 库名1.dbo.表名1 as ajoin 库名2.dbo.表名2 as bon a.关 阅读全文
posted @ 2017-01-13 14:40 孑然询梦 阅读(128) 评论(0) 推荐(0) 编辑