摘要: 1:往现有的表中增加一个字段 IF NOT EXISTS ( SELECT 1 FROM sys.sysobjects so WITH ( NOLOCK ) INNER JOIN sys.syscolumns sc WITH ( NOLOCK ) ON so.id = sc.id WHERE so. 阅读全文
posted @ 2019-01-11 21:56 万城归 阅读(1067) 评论(1) 推荐(0) 编辑