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IF OBJECT_ID ( 'Production.usp_GetList', 'P' ) IS NOT NULL
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CREATE PROCEDURE Production.usp_GetList @product varchar(40)
    , @maxprice money
    , @compareprice money OUTPUT
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AS
    SELECT p.name AS Product, p.ListPrice AS 'List Price'
    from Production.Product p
    JOIN Production.ProductSubcategory s
      ON p.ProductSubcategoryID = s.ProductSubcategoryID
    WHERE s.name LIKE @product AND p.ListPrice < @maxprice;
-- Populate the output variable @listprice.
SET @listprice = (SELECT MAX(p.ListPrice)
        from Production.Product p
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SQL UNIQUEIDENTIFIER

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