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
case
when profile like "%female" then 'female'
else 'male'
end as gender,
count(*) as number
from
user_submit
group by gender
查看14道真题和解析