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
with a as ( select device_id,university,gpa, row_number() over(partition by university order by gpa) as rk from user_profile ) Select device_id,university,gpa from a where rk = 1;
利用窗口函数，解决多个最低问题。
#MySQL#
查看3道真题和解析
