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 q.device_id,q.university,q.gpa from (select device_id, university, gpa , rank() over(partition by university order by gpa) as rk from user_profile group by device_id,university,gpa order by university asc) q where rk=1;#SQL练习#
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