摘要: 1 判断数据库是否存在 Sql代码if exists (select * from sys.databases where name = ’数据库名’) drop database [数据库名] if exists (select * from sys.databases where name = 阅读全文
posted @ 2018-03-21 11:44 遗失的似曾相识 阅读(607) 评论(0) 推荐(0)