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SQL QUERY Question to get Average without using AVG()

7prince asked:

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How can I modify the query below to show "average dollar value for Orders" and "average dollar value for OrderItems" side by side in columns. The query below would combine them. Thank you.
SELECT (COUNT(Orders.orderid) / SUM(Inventory.price)) AS Orders_Average
FROM  ORDERITEMS LEFT OUTER JOIN
               Inventory ON OrderItems.partid = Inventory.partid RIGHT OUTER JOIN
               Orders ON OrderItems.orderid = Orders.orderid
               
WHERE NOT EXISTS 
(SELECT *   
FROM  ORDERITEMS
WHERE OrderItems.orderid <> Orders.orderid
GROUP BY ORDERITEMS.orderid)
Tags: SQL-Server (SQL-server-2005)

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