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 > 24 then '25岁及以上' when age < 20 then '20岁以下' when age between 20 and 24 then '20-24岁' else '其他' end ) as age_cut from user_profile;