2017年8月3日
sql删除重复数据
摘要： begin tran delete from WxUser_BMUser where OpenId in ( select a.OpenId from WxUser_BMUser a where IsUnBind=0 group by a.OpenId having COUNT(1)>1 ) and id not in (select min(id) from WxU... 阅读全文
posted @ 2017-08-03 14:05 秋香姑娘请你不要紧张 阅读(229) 评论(0) 推荐(0) 编辑