मैंने इस पर ध्यान दिया, हालांकि मुझे यकीन नहीं था कि आप अपने अंतर प्रतिशत कॉलम की गणना कैसे करना चाहते हैं, इसलिए आप इसे करीब से देखना चाहेंगे।
CREATE TABLE #tempProduct
(
ID INT,
SellerName VARCHAR(100),
Total MONEY,
Availability VARCHAR(100),
Offer VARCHAR(100),
Competitors INT
)
INSERT INTO #tempProduct (ID, SellerName, Total, Availability, Offer)
SELECT DISTINCT p.id, pp.SellerName, pp.Price + ISNULL(pp.Shipping,0), pp.Available, pp.Offer
FROM Products p
JOIN Product_Price pp
ON p.id = pp.ProductId
-- Get Sears competitors
UPDATE tp
SET Competitors = pp.CompetitorCount
FROM #tempProduct tp
JOIN (
SELECT ProductId, COUNT(sellerName) [CompetitorCount]
FROM Product_Price
WHERE SellerName <> 'Sears' AND Price + ISNULL(Shipping,0) IS NOT NULL
GROUP BY ProductId
) pp
ON pp.ProductId = tp.ID
WHERE tp.SellerName = 'Sears'
SELECT DISTINCT
p.id,
p.ProductName,
p.ProductCategory,
p.ProductImage,
p.ProductUri,
stp.Total [SearsTotal],
stp.Availability [SearsAvailability],
stp.Offer [SearsOffer],
stp.Competitors [#Competitors],
100 - (((ISNULL(etp.Total,0) + ISNULL(atp.Total, 0))/stp.Competitors)/stp.Total) * 100 [DifferencePercentage(Sears & others)], -- Not sure how you want to calculate price difference
atp.Total,
atp.Availability [AmazonTotal],
atp.Offer [AmazonOffer],
etp.Total [eBayTotal],
etp.Availability [eBayAvailability],
etp.Offer [eBayOffer]
FROM Products p
JOIN Product_Price pp
ON pp.ProductId = p.ID
JOIN #tempProduct stp
ON stp.ID = p.id
JOIN #tempProduct etp
ON etp.ID = p.id
JOIN #tempProduct atp
ON atp.ID = p.id
WHERE stp.SellerName = 'Sears'
AND etp.SellerName = 'eBay'
AND atp.SellerName = 'Amazon'
