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
#每个学校里gpa最低的同学 SELECT device_id,university,gpa FROM ( SELECT *, rank()over(partition by university order by gpa asc) as gpa_order #加一列组内排序 FROM user_profile ) as rank_user_profile #新表一定要重命名,否则报错 WHERE gpa_order = 1 #筛选组内排序第一的