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