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 if(age>=25, '25岁及以上', '25岁以下') as age_cnt, count(1) as number from user_profile group by age_cnt
计算25岁以上和以下的用户数量
https://www.nowcoder.com/practice/30f9f470390a4a8a8dd3b8e1f8c7a9fa
select if(age>=25, '25岁及以上', '25岁以下') as age_cnt, count(1) as number from user_profile group by age_cnt
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