mysql怎么根据date做年，月，日分组统计查询
时间：2020-09-23 08:00:06
作者：重庆seo小潘
来源：
使用 YEAR(), MONTH(), DAY() 来获取年月日SELECT YEAR(application_date) as years, count(1) FROM patent GROUP BY YEAR(application_date) ORDER BY years-- YEAR(application_date)获取年份-- MONTH(application_date) 获取月份-- DAY(application_date)
使用 YEAR(), MONTH(), DAY() 来获取年月日SELECT YEAR(application_date) as years, count(1) FROM patent GROUP BY YEAR(application_date) ORDER BY years-- YEAR(application_date)获取年份-- MONTH(application_date) 获取月份-- DAY(application_date)获取日使用 date_format(application_date, '%Y')，可自定义日期格式SELECT date_format(application_date, "%Y") as year, count(1) FROM patent GROUP BY date_format(application_date, "%Y")
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