SQL Server XML Optimization Tips

SQLXML allows developers to bridge the gap between XML and relational data. Using SQLXML you can create XML View of your existing relational data and work with it as if it was an XML file. In comparison with SQL Server 2000's native XML, the SQLXML 3.0 has many features (such as XML bulk load, updategrams, XSD mapping schemas and so on) and provides better performance.

http://www.sswug.org/see/18696