The present invention provides a method and mechanism to store and manage self-descriptive heterogeneous data in a database system. In one embodiment, a generic datatype is defined which encapsulate type descriptions along with the actual data itself. Another generic datatype is defined to encapsulate...http://www.google.de/patents/US6748388?utm_source=gb-gplus-sharePatent US6748388 - Method and mechanism for storing and managing self-descriptive heterogeneous data
