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 u1.device_id,u1.university,u1.gpa from user_profile u1
where gpa = (
select min(gpa) from user_profile u2
where u1.university=u2.university)
order by university
