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The advantage of using a Database Management System
The advantage of using a Database Management System for a data store is that databases have mechanisms for describing data, managing persistent storage and for providing a backup and recovery mechanism. It also provides concurrent access to the stored data with an appropriate locking mechanism. Most of the DBMS contains information about data in the form of a data dictionary. Most commercial RDBMS come with an "Object-Relational" extension which implements an object database on top of a RDBMS.
Q. Illustrate Diffrent types of modems? There are four different types of modems: half-duplex, full-duplex, synchronous, and asynchronous.With half-duplex modems data can be tr
Syntax and Semantics: Propositional logic is prohibited in its expressiveness: so just to represent true and false facts for the world. By a type of extending propositional lo
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A field containing quantity amounts (data type QUAN) must be assigned to a reference table and a reference field. Explain? As a reference table, a system table having all the v
In a positive logic system, logic state 1 corresponds to ? Ans. For positive digital logic, we choose two voltages levels. Higher voltage shows logic 1 and a lower voltage sho
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PVM is mainly a simulation of a computer machine running parallel programs. It is a software package that allows a heterogeneous collection of UNIX and/or Windows computers hooked
Q. Explain about distributed systems? A Distributed System in that Data, Process and Interface component of information System are distributed to many locations in a computer n
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