Oracle数据库查询两条或多条相同的数据

版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/wu_Dream/article/details/86702916
select  perno  from  fcperinfo   where perno in (select  perno  from  group  by perno  having count(*) >1);

猜你喜欢

转载自blog.csdn.net/wu_Dream/article/details/86702916