题解 | 统计每种性别的人数
统计每种性别的人数
https://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
SELECT SUBSTRING_INDEX(profile,",",-1) AS gender ,COUNT(device_id) AS number FROM user_submit GROUP BY gender;
统计每种性别的人数
https://www.nowcoder.com/practice/f04189f92f8d4f6fa0f383d413af7cb8
SELECT SUBSTRING_INDEX(profile,",",-1) AS gender ,COUNT(device_id) AS number FROM user_submit GROUP BY gender;
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