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 p1.device_id,p1.university,p1.gpa from user_profile as p1 join (select university,min(gpa) as min_gpa from user_profile group by university) as p2 on p2.university=p1.university and p1.gpa=p2.min_gpa order by university
