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