>>>What's the correct syntax for calling this SP for each row to be returned?
>>>
>>>

>>>
>>>DECLARE @iInventoryOnHand INT
>>>
>>>-- I want to call this proc for each record
>>>EXEC spGetInventoryOnHand @sProdCode, @iInventoryOnHand OUTPUT
>>>
>>>SELECT i.sProduct_CD, <<call SP here>>
>>>	FROM Inventory i
>>>	JOIN Product p ON p.sProduct_CD = i.sProduct_CD
>>>	WHERE i.decInv_Physical_Qty <> 0 OR
>>>		  (@iInventoryOnHand > 0 and p.sCommodity_CD <> 'M')
>>>
>>>

>>
>>It sounds like you should be using a function instead of an SP..
>>
>>SELECT i.sProduct_CD, dbo.funcInvOnHand(p.sProdCode) as InventoryOnHand
>> FROM Inventory i
>> JOIN Product p ON p.sProduct_CD = i.sProduct_CD
>> WHERE i.decInv_Physical_Qty <> 0 OR
>> (@iInventoryOnHand > 0 and p.sCommodity_CD <> 'M')
>>
>>and create the FuncInvOnHand to return the number
>
>
>Ok, I've never done a UDF. Anything different than a sproc?

Look up Create Function in BOL. They are pretty straightforward. Normally you create a scalar function (true in your case) although you can also return a table.

The biggest difference between SP and function is that you have to declare the return type and actually RETURN it at the end.