摘要: 1. 表中有重复记录用SQL语句查询出来 select * from Recharge where RechargeSerial in (select RechargeSerial from Recharge group by RechargeSerial having count(*)>1) 2. 阅读全文
posted @ 2016-10-20 09:51 蜜雪粮液 阅读(1047) 评论(0) 推荐(1)