题解 | #查看不同年龄段的用户明细#
查看不同年龄段的用户明细
https://www.nowcoder.com/practice/ae44b2b78525417b8b2fc2075b557592
select
up.device_id,
up.gender,
case
when up.age < 20 then '20岁以下'
when up.age between 20 and 24 then '20-24岁'
when up.age >= 25 then '25岁及以上'
else '其他'
end age_cut
from
user_profile up
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