A method of processing a database service query is provided. In one embodiment, the method includes receiving a service query, applying principles of logic to the service query to obtain a sum of terms, evaluating each term as one or more separate SQL instructions, and executing each separate SQL instruction....http://www.google.fr/patents/US7617183?utm_source=gb-gplus-shareBrevet US7617183 - Method and apparatus for operating a database
