[英]How to calculate average of count per day in MySQL?
您可以按日期的年份和月份對原始查詢的結果進行分組:
SELECT EXTRACT(YEAR_MONTH FROM import_date) AS import_month
, AVG(day_total) AS average_per_day
FROM (
SELECT import_date
, COUNT(`storage unit`) AS day_total
FROM sdon
GROUP BY import_date
) AS x
GROUP BY EXTRACT(YEAR_MONTH FROM import_date)
將諸如202207
之類的數字轉換為2022-07
是微不足道的。
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