题解 | #二叉树根节点到叶子节点的所有路径和#
统计每种性别的人数
http://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
select substring_index(profile,',',-1) as gender,count(device_id) from user_submit group by gender
我居南半坡 文章被收录于专栏
多刷题,积蓄力量,欢迎讨论
统计每种性别的人数
http://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
select substring_index(profile,',',-1) as gender,count(device_id) from user_submit group by gender
多刷题,积蓄力量,欢迎讨论
相关推荐