A system and method for constraint management in a database middleware system that responds to queries for data from requesting user applications by accessing diverse data sources. A constraint manager receives notifications of updates from sources that support notification, and the constraint manager...http://www.google.fr/patents/US6463429?utm_source=gb-gplus-shareBrevet US6463429 - System and method for consistency constraint management in database middleware
System and method for consistency constraint management in database middleware
