2015年11月16日
mysql重复数据下，删除一条重复数据
摘要： delete from information where id in (select id from (select max(id) as id,count(*) as ccc from information GROUP BY encoding HAVING ccc>1 ) as tab) 阅读全文
posted @ 2015-11-16 16:11 aladin灯神 阅读(181) 评论(0) 推荐(0) 编辑