摘要: select * from [table] where [Name] in(select [Name] from [table] group by [Name] having count([Name])=1) 用distinct使重复的数据只显示一个,可是遇到一... 阅读全文
posted @ 2007-11-05 14:58 子午 阅读(1994) 评论(2) 推荐(1) 编辑