Please see this WIKI article for complete information.
Generating XML data from the Relational Data:If you need to produce the XML data Teiid provides various SQL/XML functions for that purpose too. Check out this article on the available SQL/XML functions. These are functions are also supported by Teiid.
In a future article, we will how show you how to use these SQL/XML functions and create a web service by just using the Teiid Designer and Teiid.