题解 | #统计每种性别的人数#
统计每种性别的人数
https://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
select q1.gender,count(*) from ( select (case when profile like'%female%' then 'female' else 'male' end) as gender from user_submit) as q1 group by gender