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
#使用between a and b，即[a,b] select device_id,gender,age from user_profile where age between 20 and 23; #使用and运算符 select device_id,gender,age from user_profile where age >= 20 and age <= 23;