Leetcode 1412. 查找成绩处于中游的学生

https://leetcode-cn.com/problems/find-the-quiet-students-in-all-exams/

select a.student_id,b.student_name from (
select a.student_id
,case when count(a.score)=sum(case when a.score>b.s1 and a.score
1412.png

你可能感兴趣的:(Leetcode 1412. 查找成绩处于中游的学生)