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
http://www.nowcoder.com/practice/ae44b2b78525417b8b2fc2075b557592
select device_id,gender,case when age>=25 then '25岁及以上'
when age between 20 and 24 then '20-24岁'
when age<20 then'20岁以下' else '其他'end age_cut
from user_profile
when age between 20 and 24 then '20-24岁'
when age<20 then'20岁以下' else '其他'end age_cut
from user_profile
投递百度等公司10个岗位