Få alla sålda artiklar baserat på en samling artiklar från en huvudtabell i SQL Server

Detta kommer förmodligen att ta dig det mesta av vägen dit. Jag lade inte in logik för att flytta runt sammanfattningskolumnerna eftersom det bara skulle fungera för två kategorier, och jag antar att du har många fler.

CREATE TABLE #Master(ItemNo int,[Name] varchar(50), Category varchar(5)) 
INSERT INTO #Master VALUES(10001,'Apple','C1' )   
INSERT INTO #Master VALUES(10002, 'Coffee' ,'C1')  
INSERT INTO #Master VALUES(10003,'Bread','C2')   
INSERT INTO #Master VALUES(10004,'Beans' ,'C2')  

CREATe TABLE #Transactions(SiteID int,BusinessDate date,ItemName varchar(50),[Units Sold]int,[Units Sale]int,ItemNo int,  OrderNo varchar(20))
INSERT INTO #Transactions VALUES(1,'06/08/2018','Apple',1,5,10001,'122-1')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Coffee',1,16,10002,'122-1')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Bread',2,7,10003,'122-1')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Beans',9,18,10004,'122-1')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Apple',2,5,10001,'122-4')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Coffee',2,6,10002,'122-4')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Bread',1,7,10003,'122-4')
INSERT INTO #Transactions VALUES(1,'06/08/2018','Beans',4,8,10004,'122-4')
INSERT INTO #Transactions VALUES(2,'06/08/2018','Apple',2,5,10001,'122-2')
INSERT INTO #Transactions VALUES(2,'06/08/2018','Coffee',1,6,10002,'122-2')
INSERT INTO #Transactions VALUES(3,'06/08/2018','Bread',3,5,10003,'122-3')
INSERT INTO #Transactions VALUES(3,'06/08/2018','Beans',7,17,10004,'122-3')


;WITH CTE AS (
select MS.ItemNo,MS.Name,MS.Category, SUM(TR.[Units Sold]) RootItemSold, tr.OrderNo
from #Master MS
INNER JOIN #Transactions TR on MS.ItemNo = TR.ItemNo
GROUP BY MS.ItemNo,MS.Name,MS.Category, tr.OrderNo
),
MiddleCalc as
(
select ItemNo, [Name],Category,RootItemSold,OrderNo
,(SELECT ISNULL(SUM(1),0)  FROM CTE T2 where TRoot.OrderNo = t2.OrderNo and TRoot.Category <> t2.Category) HasOtherCategory
from CTE TRoot
)
SELECT ItemNo,[Name],[Category], 
CASE WHEN Category = 'C1' THEN
        SUM(RootItemSold)  
    ELSE
        SUM(CASE WHEN HasOtherCategory <> 0 THEN RootItemSold ELSE 0 END)  END C1,
CASE WHEN Category = 'C2' THEN
        SUM(RootItemSold)  
    ELSE
        SUM(CASE WHEN HasOtherCategory <> 0 THEN RootItemSold ELSE 0 END)  END C2
FROM MiddleCalc
GROUP BY ItemNo,[Name],[Category]