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
