http://blogs.msdn.com/euanga/archive/2005/02/23/379077.aspxAnswers to some more of the questions: What parser is used when manipulating XML inside SQL Server Engine,. XMLRW which is the new small stream based parser for native code. Are XML Schemas stored in the database or referred to externally? Where are theyen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/euanga/archive/2005/02/23/379077.aspx#379214Thu, 24 Feb 2005 01:10:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:379214Enjoy Every SandwichEuan talks some more SQL Server 2005's XML internals, Michael Rys on Document Instances