摘要: if exists(select 1 from sys.objects where object_id=object_id('tab')) begin drop table tab end go create table tab(item int, date datetime, temp int) insert tab select 10,'2006-01-01',0 union all... 阅读全文
posted @ 2009-01-23 12:01 Rick Sun 阅读(872) 评论(0) 推荐(0) 编辑