MySQL 常用语句(查重,分区间查询)
摘要:
查重 select * from people where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1) select * from Users where UserId 阅读全文
posted @ 2020-12-08 11:17 暮云寨 阅读(259) 评论(0) 推荐(0) 编辑