题解 | #作答试卷得分大于过80的人的用户等级分布#
作答试卷得分大于过80的人的用户等级分布
https://www.nowcoder.com/practice/5bc77e3a3c374ad6a92798f0ead4c744
select t3.level as level, count(distinct t3.uid) as level_cnt from exam_record as t1 inner join examination_info as t2 on t1.exam_id = t2.exam_id inner join user_info as t3 on t1.uid = t3.uid where t2.tag = 'SQL' and t1.score > 80 group by t3.level order by level_cnt desc, level desc;
