Billpeng Space

技术源自生活

:: :: :: ::

SQL删除重复记录，并只保留一条

摘要： delete WeiBoTopics where Id in(select max(Id) from WeiBoTopics group by WeiBoId,Title having COUNT(*) > 1); 阅读全文

posted @ 2015-04-20 15:38 billpeng 阅读(184) 评论(0) 推荐(0)