The realization of truely heterogeneous database systems is hampered among others by two obstacles. One is the unsuitability of traditional transaction models, this has lead to the proposal of a new more flexible transaction model. Th.e second is the fact that none of the existing language and system support such a flexible model. This paper addresses these two issues by proposing a logic appro...

Distributed Database Management System (DDBMS) is one of the prime concerns in distributed computing. The driving force of development of DDBMS is the demand of the applications that need to query very large databases (order of terabytes). Traditional ClientServer database systems are too slower to handle such applications. This paper presents a better way to find the optimal number of nodes in...

Bargaining with reading habit is no need. Reading is not kind of something sold that you can take or not. It is a thing that will change your life to life better. It is the thing that will give you many things around the world and this universe, in the real world and here after. As what will be given by this database systems for advanced applications 10th international conference dasfaa 2005 be...