题解 | #计算用户8月每天的练题数量#
计算用户8月每天的练题数量
https://www.nowcoder.com/practice/847373e2fe8d47b4a2c294bdb5bda8b6
SELECT day (date) as day, count(question_id) as question_cnt FROM question_practice_detail WHERE date LIKE '2021-08%' group by day
单词一定要拼写正确,是date不是data,是question 不是quesion