题解 | #找出每个学校GPA最低的同学#
找出每个学校GPA最低的同学
https://www.nowcoder.com/practice/90778f5ab7d64d35a40dc1095ff79065
select device_id , university , gpa from user_profile where (university , gpa) in (select university ,min(gpa) from user_profile group by university ) order by university asc