题解 | #找出每个学校GPA最低的同学#右连接
找出每个学校GPA最低的同学
https://www.nowcoder.com/practice/90778f5ab7d64d35a40dc1095ff79065
select a.device_id, b.university, b.gpa
from user_profile a
right join (
select university, min(gpa) as gpa
from user_profile
group by university
) as b
on a.university = b.university and a.gpa = b.gpa
order by university;
