A relational database management system (RDBMS) for servicing query statements from one or more client machines, using a relational data store and a multi-dimensional database (MDDB). The RDBMS includes a query interface which is adapted to receive query statements from the client machines, and to generate...http://www.google.de/patents/US8195602?utm_source=gb-gplus-sharePatent US8195602 - Relational database management system (RDBMS) employing a relational datastore and a multi-dimensional database (MDDB) for serving query statements from client machines
