Posted by Hugo Kornelis on 03/21/07 20:03

On 21 Mar 2007 12:22:38 -0700, knowzero wrote:

>my query:
>select Product_List.*, Product_Sales.*
>from Product_List
>left outer join Product_Sales on Product_List.ID = Product_Sales.ID
>
>this works fine. its simple. I have this in a report and I would like
>to add a parameter @p1 to add to the query
>
>where Product_Sales.Order_Amount >= @p1
>
>my problem is that if @p1 is null I want to retrieve all recorders in
>Product_List. any ideas.

Hi knowzero,

WHERE Product_Sales.Order_Amount >= COALESCE(@p1,
Product_Sales.Order_Amount)

--
Hugo Kornelis, SQL Server MVP
My SQL Server blog: http://sqlblog.com/blogs/hugo_kornelis

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