题解 | #查看不同年龄段的用户明细#
统计每种性别的人数
http://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
select
substring_index(PROFILE, ',', -1) as gender,
count(1) as number
from
user_submit
group by
gender
统计每种性别的人数
http://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
select
substring_index(PROFILE, ',', -1) as gender,
count(1) as number
from
user_submit
group by
gender
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