ORACLE查询重复数据
摘要：
1、查找表中多余的重复记录，重复记录是根据单个字段（userCode）来判断 select * from user where userCode in (select userCode from user group by userCode having count (userCode) > 1) 阅读全文
posted @ 2021-10-20 17:39 癫狂编程 阅读(1433) 评论(0) 推荐(0) 编辑
