题解 | 考试分数(三)
考试分数(三)
https://www.nowcoder.com/practice/b83f8b0e7e934d95a56c24f047260d91
select g1.id,name,g1.score from grade g1 join language l on g1.language_id= l.id where( select count(distinct g2.score) from grade g2 where g2.score>=g1.score and g1.language_id=g2.language_id )<=2 order by name,g1.score desc,g1.id