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What is a homogeneous distributed database?
In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agree to cooperate in processing user's requests.
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
How to use Oracle
What are the advantages of DBMS ? 1. Centralized Management and Control - One of the major advantages of using a database system is in which the organization could exert, thr
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
INTRODUCTION Databases and database systems have become an essential part of our daily life. We encounter many activities that involve some interaction with a database almost
explain the mapping constraints
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
What is OMR? OMR (Optical Mark Recognition) is the translation of marks - or the absence of marks - but not the shape of the mark on forms that have small circles ("also called
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
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