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
device_id,
gender,
(
case
when age >= 25 then '25岁及以上'
when age >=20 and age <25 then '20-24岁'
when age >=0 and age<20 then '20岁及以下'
else '其他'
end
) as age_cut
from
user_profile
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