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 device_id, university, gpa FROM user_profile u WHERE gpa = (SELECT MIN(gpa) FROM user_profile WHERE university = u.university) ORDER BY university
原来where还能这样使用