摘要: 1 判断数据库是否存在if exists (select * from sys.databases where name = '数据库名') drop database [数据库名] 2 判断表是否存在if exists (select * from sysobjects where id = ob 阅读全文
posted @ 2017-05-16 22:06 Bug从零开始 阅读(204) 评论(0) 推荐(0) 编辑