本文主要是介绍mysql按日、月、周、季度分组,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
按日分组:select DATE_FORMAT(o.OrderDate,'%Y%m%d') weeks,count(*) count from orders o group by weeks;按月分组:select DATE_FORMAT(o.OrderDate,'%Y%m') weeks,count(*) count from orders o group by weeks;
按周分组: select DATE_FORMAT(o.OrderDate,'%Y_%u') weeks,count(*) count from orders o group by weeks;
按季度分组:select CONCAT(YEAR(o.OrderDate),'_',quarter(o.OrderDate)) qu,count(*) count from orders o group by qu;
获取当月的最后一天 select LAST_DAY(o.OrderDate) FROM orders o
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