mysql 筛选出重复数据的sql

 

select title from feeds.subject group by title having count(*) > 1;
select title from feeds.subject where title='';
select title from feeds.subject where title='0415nh专题卡片审核';

 

参考资料:

https://blog.csdn.net/qq_31156277/article/details/80093610

posted on 2022-01-07 11:12  坚守梦想  阅读(96)  评论(0编辑  收藏  举报