摘要: if OBJECT_ID('tempdb..#tem') is not null drop table #temcreate table #tem (aa nvarchar(20))alter table #tem add constraint UQ_aa unique (aa)insert int... 阅读全文
posted @ 2012-07-13 13:42 y0umer 阅读(350) 评论(0) 推荐(0) 编辑