SQL 按月统计（两种方式） 分类： SQL Server 2014-08-04 15:36 154人阅读 评论(0) 收藏

(1)Convert 函数

select Convert ( VARCHAR(7),ComeDate,120) as Date ,Count(In_code) as 单数,Sum(SumTrueNum) as 件数

from T_In_Top 

where  ComeDate between '2013-01-01' and '2014-08-04' and In_top_State='已完成' and Case_ID=14  and Store_ID=41

group by Convert ( VARCHAR(7),  ComeDate,  120)



(2)日期函数 year([date])



select year(ComeDate),month(ComeDate),Count(In_code) as 单数,Sum(SumTrueNum) as 件数

from  T_In_Top

where Case_ID=14 and In_top_State='已完成' and Store_ID=41 and year(ComeDate)>=2013

group by month(ComeDate),year(ComeDate)

--(cast(year(ComeDate) as varchar(4))) cast 函数 类型转换

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