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
"male" as gender,
sum(if(profile like "%,male%",1,0))
from user_submit
union
select
"female" as gender,
sum(if(profile like "%female%",1,0))
from user_submit
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