mysql多表查询去重复数据_SQL重复记录查询 查询多个字段、多表查询、删除重复记录的方法...
摘要：
SQL重复记录查询 1、查找表中多余的重复记录，重复记录是根据单个字段(peopleId)来判断 select * from people where peopleId in (select peopleId from people group by peopleId having count(pe 阅读全文
posted @ 2022-06-15 11:05 zyp_java_net 阅读(2250) 评论(0) 推荐(0) 编辑
