May 2024
Intermediate to advanced
325 pages
12h 2m
English
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
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Distributed Database Security and Catalog Management
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(v) The statistical information about the data.
(vi) Consistency information, which include data protection and authorization rules, integrity con-
straints, security constraints etc.
12.5.2 Catalog Management in Distributed Systems
Catalog management in a distributed system is closely related with the degree of local autonomy
at each site. There are three alternative approaches for data allocation and catalog management in
distributed systems, known as centralized, fully replicated, and fragmented and distributed.
Centralized – In this approach, the global system catalog is stored at ...
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