2018年4月27日
常用sql记录
摘要： 删除全字段重复记录 delete from table where id not in (select T.id from (select max(id) AS id from table group by a，b，c) AS T); 阅读全文
posted @ 2018-04-27 14:49 telazy 阅读(153) 评论(0) 推荐(0) 编辑