Receta_TSQL-2.7_Ej1.sql

-- OrtizOL - xCSw - http://ortizol.blogspot.com

IF NOT EXISTS
    (SELECT ProductID
        FROM Production.Product
        WHERE Color = 'lightblue')
    BEGIN
        RETURN;
    END;

SELECT ProductID As 'ID Producto'
FROM Production.Product
WHERE Color = 'lightblue';