题解 | #截取出年龄#
截取出年龄
https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f
select age,count(age) as number from (select substring(profile,12,2) as age from user_submit) as a group by age;
截取出年龄
https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f
select age,count(age) as number from (select substring(profile,12,2) as age from user_submit) as a group by age;
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