Techniques for executing database commands include receiving a database command that includes an XML component operation that operates on an XML construct that is based on a first set of one or more relational database constructs. It is determined whether the XML component operation can be transformed...http://www.google.es/patents/US7120645?utm_source=gb-gplus-sharePatente US7120645 - Techniques for rewriting XML queries directed to relational database constructs
Techniques for rewriting XML queries directed to relational database constructs
