题解 | #计算25岁以上和以下的用户数量#
计算25岁以上和以下的用户数量
https://www.nowcoder.com/practice/30f9f470390a4a8a8dd3b8e1f8c7a9fa
select '25岁以下' as age_cnt, count(*)-sum(age >= 25) as number from user_profile union all select '25岁及以上' as age_cnt, count(device_id) as number from user_profile where age >= 25;
投递科锐国际等公司10个岗位