题解 | #分组排序练习题#
分组排序练习题
https://www.nowcoder.com/practice/e00bbac732cb4b6bbc62a52b930cb15e
# order by 列名 (desc 降序 默认是降序) () asc 降序 在最后面 select university,avg(question_cnt) as avg_question_cnt from user_profile group by university order by avg_question_cnt asc
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