A method, system, and computer instructions for providing a single set of object relational mappings across different instances of the same schemas. With the present invention, multiple datasources are first configured for class (or set of object definitions). A mapping identifier is set at runtime,...http://www.google.com/patents/US20060184568?utm_source=gb-gplus-sharePatent US20060184568 - Having a single set of object relational mappings across different instances of the same schemas
