The native XML data type in SQL Server 2005, which I wrote about in "Extending XML in SQL Server 2005," (June 2005, InstantDoc ID 45995), lets you combine XML functionality and relational-data storage in the systems you build so that your applications can work with data that might change frequently or vary in type. Another XML-related SQL Server 2005 feature that adds flexibility is native support for Web services, which lets DBAs access SQL Server by using SOAP through HTTP. This connection met...