If you don't actually have a multiprocessor machine on which you can test the code in the main article, that doesn't mean that you'll never see a DegreeOfParallelism greater than one. You can simulate multiple processors by using a special flag when you start SQL Server. To do so, in SQL Server Configuration Manager, expand the node for SQL Server 2005 Services. Right-click your SQL Server service and choose Properties. On the Advanced tab, expand the Startup Parameters value, and add -Pn<...