Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482



Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
Chapter 12, Problem 1RQ
Textbook Problem

Describe the evolution from centralized DBMSs to distributed DBMSs.

Explanation of Solution

Evolution from centralized Database Management System (DBMS) to distributed Database Management System (DDBMS):

During the year 1970s, the centralized DBMS was implemented and the use of centralized DBMS stores the corporate data in single central site and providing the data access to dumb the terminals.

It worked well to fill the corporations structured information requirements, but it little drop at time of rapidly moving events needs quicker reply times and similarly rapid access to information.

At this time, the distributed database design is started with impact of internet. The success of internet and mobile technologies will increase use of the distributed database.

  • The database management system supports the database distributed over the numerous different sites.
  • Distributed DBMS manages the storage and processing of logically associated data across the connected systems wherein both “data” and “processing functions” are distributed between various sites.

In any case, distributed database are possible to identify the development of future database, mostly for particular mobile applications. This is specially needed because centralized database management is subject to such as high costs, reliability issues, scalability issues, performance degradation, and organization rigidity.

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