题解 | #截取出年龄#
截取出年龄
https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f
select substring_index(substring_index (profile,',', 3),',',-1) ,count(1) from user_submit group by 1
截取出年龄
https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f
select substring_index(substring_index (profile,',', 3),',',-1) ,count(1) from user_submit group by 1
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