2021年8月26日
MySql 去除重复数据
摘要： delete FROM `customer` WHERE `name` in (SELECT a.name from( select name FROM `customer` GROUP BY `name` HAVING COUNT(1) >1)a ) and id not in (SELECT b 阅读全文
posted @ 2021-08-26 15:41 可爱香草 阅读(11) 评论(0) 推荐(0)