题解 | #分组计算练习题#
分组计算练习题
https://www.nowcoder.com/practice/009d8067d2df47fea429afe2e7b9de45
select gender,university, count(gender) user_num, round(sum(active_days_within_30),1)/count(gender) avg_active_day, round(sum(question_cnt),1)/count(gender) avg_question_cnt from user_profile group by gender,university;
投递长鑫存储等公司10个岗位
，别管自己的能力行不行了。