2015 年 9月 25 日随笔档案 - zzyoucan

摘要： select * from userwhere name in (select name from user group by name having count(name) > 1)获取name重复的记录阅读全文

posted @ 2015-09-25 16:52 zzyoucan 阅读(127) 评论(0) 推荐(0) 编辑