596. Classes More Than 5 Students

来源:互联网 发布:怎么改mac的用户名 编辑:程序博客网 时间:2024/06/08 00:27

select class from (select count(distinct student) as num,class from courses group by class) a where num>=5


不说了,依旧很简单

原创粉丝点击