题解 | #截取出年龄#
截取出年龄
https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f
SELECT REGEXP_SUBSTR(profile, '\\d+', 1, 3) AS age, count(device_id) as number from user_submit group by age
截取出年龄
https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f
SELECT REGEXP_SUBSTR(profile, '\\d+', 1, 3) AS age, count(device_id) as number from user_submit group by age
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