2022年6月29日
数据去重
摘要： delete from xx where smokevehicleid not in ( select t.max_id from (select max(smokevehicleid) as max_id from xxx group by smokeno) as t ); delete from 阅读全文
posted @ 2022-06-29 17:29 不再犯错 阅读(35) 评论(0) 推荐(0)