SQL QUERY Question to get Average without using AVG()

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SQL-Server-2005

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.

SQL

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)

Posted 18-Jan-13 10:20am

7prince

Updated 18-Jan-13 16:34pm

Tharaka MTR

v2

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Tharaka MTR 18-Jan-13 22:38pm

Orders can have multiple order items. you are asking average value for orders, and average value for order items. could you please let us know how is your expecting output look likes

7prince 18-Jan-13 23:13pm

yes that is correct. I am asking average value for orders, and average value for order items.

I would like to get the output in this format:

two columns: "Orders Average" and "OrderItems Average") or in one column with each output in its own row. Thank you.

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milenalukic · Accepted Answer · 2013-01-20T11:44:00

Solution 1

Hi
For average you need to do Sum over count and not count/sum.

Posted 20-Jan-13 11:44am

milenalukic