题解 | #查询结果去重#
查询结果去重
https://www.nowcoder.com/practice/82ebd89f12cf48efba0fecb392e193dd
题目要点:实现对某一列的值进行去重
select university from user_profile group by university
select distinct university from user_profile
用group by将得到结果分组,实现去重效果
用distinct关键字直接去重

