题解 | #分组排序练习题#
分组排序练习题
https://www.nowcoder.com/practice/e00bbac732cb4b6bbc62a52b930cb15e
select university,avg(question_cnt) as avg_question_cnt
from user_profile
group by university
order by avg(question_cnt);
from user_profile
group by university
order by avg(question_cnt);
