09 2015 档案
sql删除多余重复的数据只保留一条
摘要：delete from peoplewhere peopleName in (select peopleName from people group by peopleName having count(peopleName) > 1)and peopleId not in (select min(... 阅读全文
posted @ 2015-09-08 10:30 代码改变世界&1024 阅读(532) 评论(0) 推荐(0)