We walk in the dark places no others will enter
We stand on the bridge and no one may pass

-- Just to make the point
USE master;
GO
IF      EXISTS
        (
        SELECT  *
        FROM    Sandpit.sys.identity_columns
        WHERE   object_id = OBJECT_ID(N'Sandpit.dbo.Product', N'U')
        )
BEGIN
        PRINT 'It does have an identity column';
END
ELSE
BEGIN
        PRINT 'Nope';
END;

We walk in the dark places no others will enter
We stand on the bridge and no one may pass