我需要提取给定一周的数据(报告周从周四开始)。我编写了以下查询:FROM `table` WHEN WEEKDAY(NOW()) = 0 THEN DATEDIFF(NOW(),`date(NOW()) = 2 THEN DATEDIFF(NOW(),`date`) BETWEEN -0 AND 6
WHEN WEEKDAY(NOW()) = 3 THEN DATEDIFF(NOW(我不太了解MySQL的性能,但是将有
我正尝试设计一项查询,告诉我在某一工作日所做的平均程序数目,以及整个时间框架内该周的程序总数。我开发的查询看起来很有效,但是值的加法不正确。SELECT [Day], COUNT(*) AS "Week Day Count", AVG(Totals) AS [Avg]( w = DATEDIFF(WEEKAND PlacerFld2 IN ('CT','SAMR')
AND OrderStatusID
当用户输入其他日期的日期时,我使用此sql来获取一周的开始日期(星期一SQL:CAST(convert(varchar(12),DATEADD(week,DATEDIFF(week,0,@StartDate),0),112) as int
问题是,当输入的日期是从星期二到星期六时,它会返回到当前周的正确星期一。
从客户端使用数据中,我希望获得过去一周的使用情况和过去52周的周平均值,按客户端id分组。refdate date = '2019-05-06'
select clientID, useCount, useDate from usageData where datediff(week, useDate, @refdate) <=52
(select sum(useCount) from cte where datediffrefdat