题解 | #截取出年龄#

截取出年龄

https://www.nowcoder.com/practice/b8d8a87fe1fc415c96f355dc62bdd12f

SELECT substring_index(substring_index(profile,',',-2),',',1) as age,
    count(*) as number
FROM user_submit
 
GROUP BY age


全部评论

相关推荐

点赞 收藏 评论
分享
牛客网
牛客企业服务