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 Calculation on an Aggregrate function
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funk.phenomena
Posting Yak Master

Canada
120 Posts

Posted - 11/26/2012 :  15:28:34  Show Profile  Reply with Quote
Hi All - I have the following table:

SKU     PRICE
123456 $10
123456 $20
123456 $30
123457 $40
123457 $50
123457 $60

My query to outputs a unique SKU based on the lowest price:


SELECT SKU, MIN(PRICE) FROM TABLE1
GROUP BY SKU


However, I need to perform a calculation on that aggregrate function. If a price is more than $10, it will deduct $10 off it. SQL does not allow calculation on the MIN(PRICE) function. How can I achieve this?
Thanks!


sunitabeck
Flowing Fount of Yak Knowledge

5155 Posts

Posted - 11/26/2012 :  15:33:44  Show Profile  Reply with Quote
Do the calculation inside the aggregate function
SELECT
	SKU,
	MIN(CASE WHEN PRICE > 10 THEN PRICE-10 ELSE PRICE END) AS AdjustedPrice
FROM
	Table1
GROUP BY
	SKU;

Sunita.
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funk.phenomena
Posting Yak Master

Canada
120 Posts

Posted - 11/26/2012 :  15:54:59  Show Profile  Reply with Quote
THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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