Disclosed is a system, method, and apparatus for calculating metrics by using hierarchical level metadata to describe the various structures within the database. The hierarchical level metadata permit calculation of complex metrics by an analytical server which would otherwise be difficult or impossible....http://www.google.fr/patents/US20020016924?utm_source=gb-gplus-shareBrevet US20020016924 - Database security
Numéro de demande: 09/844,717 Numéro de publication: US 2002/0016924 A1 Date de dépôt: 27 avr. 2001 Brevet délivré: US7167859 ( Date de délivrance 23 janv. 2007)
