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In a table called Sales, there are columns named Quantity and StockID. In another table named...

In a table called Sales, there are columns named Quantity and StockID. In another table named Items there are columns named StockID, which is the connecting column to the other table, ItemID, and ItemName. Write a query that returns the ItemID, ItemName, and the average, min, and max quantities for all stock items. And sort the results by average quantity, DESC

TSQL

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Answer #1

If you have any doubts, please give me comment...

SELECT ItemID, ItemName, AVG(Quantity) average, MIN(Quantity) minimum, MAX(Quantity) maximum

FROM Sales S, Items I

WHERE S.StockID = I.StockID

GROUP BY ItemID, ItemName

ORDER BY average DESC;

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