题解 | #分组计算练习题#
分组计算练习题
http://www.nowcoder.com/practice/009d8067d2df47fea429afe2e7b9de45
select gender,university,count(id) as user_num,avg(active_days_within_30) as avg_action_day,avg(question_cnt) as avg_question_cnt
from user_profilegroup by university,gender;
谷歌公司福利 178人发布
投递舜宇集团等公司10个岗位