2016年11月7日
mysql 删除重复数据保留只保留一条
摘要： SELECT * FROM (SELECT addTime FROM motorcade.car_msg_info GROUP BY addTime HAVING COUNT(addTime) > 1) AS b) AND ID NOT IN (SELECT * FROM (SELECT MIN(I 阅读全文
posted @ 2016-11-07 11:37 每天多帅一点点 阅读(391) 评论(0) 推荐(0) 编辑