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摘要: --系统视图select * from sys.tablesselect * from sys.objects--系统表--select * from sysobjectsif exists(select * from sys.databases where name='demo') drop... 阅读全文
posted @ 2014-04-23 17:27 xxiaoye 阅读(768) 评论(0) 推荐(0) 编辑