クエリを名前でグループ化するにはどうすればいいですか？ P_NAME

Question

select ID_Sale,SaleDate,Branch_Name,P_Name,P_UnitPrice,QuantitySold, 
    sum (QuantitySold*P_UnitPrice) over (order by ID_Sale asc) AS RunningTotal 
from tblP_Sales 
INNER JOIN tblProduct_With_Img 
    ON tblP_Sales.P_ID_Sales = tblProduct_With_Img.P_ID 
INNER JOIN tblBranches 
    ON tblP_Sales.BranchID = tblBranches.BranchID 
--this group is not working ? how to work this ? 
    group by P_Name 

これはGROUP BY句なしの結果である：

Sale_ID Sale_Date Branch Item Name     Pric/unit qty RUNTotal 

1056 2016-11-10 Ajman Afghani Pulaw With Meat  26  1 26 
1057 2016-11-10 Ajman Sada Rice With Chicken Boti 24  2 74 
1058 2016-11-11 Ajman Afghani Pulaw With Meat  26  1 100 

Answer 1

私はあなたが追加するために探していると思う

"PARTITIONをBY"

select ID_Sale,SaleDate,Branch_Name,P_Name,P_UnitPrice,QuantitySold, 
    sum (QuantitySold*P_UnitPrice) over (PARTITION BY P_Name order by ID_Sale asc) AS RunningTotal 
from tblP_Sales 
INNER JOIN tblProduct_With_Img 
    ON tblP_Sales.P_ID_Sales = tblProduct_With_Img.P_ID 
INNER JOIN tblBranches 
    ON tblP_Sales.BranchID = tblBranches.BranchID