题解 | #查找某个年龄段的用户信息#
查找某个年龄段的用户信息
https://www.nowcoder.com/practice/be54223075cc43ceb20e4ce8a8e3e340
select device_id, gender, age from user_profile where age>=20 and age<=23;
或
select device_id, gender, age
from user_profile
where age between 20 and 23;