SQL - 累計 - 年初来、前年初来、および過去 12 か月のローリング

以下は、現在の合計列を生成します。

例

Select *
      ,Running12       = sum(Value) over (Partition By ID Order By Date Rows Between 11 Preceding and Current Row)
      ,CalendarYTD     = sum(Value) over (Partition By ID,Year(Date) Order By Date)
      ,PrevCalendarYTD = case when month(date)<>1 then null else (Select Value from @YourTable Where ID=A.ID and date=dateadd(year,-1,A.date)) end
 From @YourTable A
 Order By ID,Date

返品