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Multiply two SQL fields and SUM ?

Posted on 2006-11-30
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Last Modified: 2012-06-21
Is it possible to multiple 2 SQL fields and then summarize them?

What I'm trying to do is calculate our top 100 spending customers. The fields I need to multiple are called qty * item_price.
Then I'm wanting to take those values and add up all the items by ID (which is the invoice ID ) and SUM them so that basically I can get a total value that each invoice has spent.

Is this  possible to write with SQL?
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Question by:twentythree
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Aneesh Retnakaran earned 150 total points
ID: 18050628
Hi twentythree,
Yes you can do it


SELECT InvoiceID, SUM (Qty*Item_price) as tot
FROM urTable
GROUP BY InvoiceID

Cheers!
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