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
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