DB TECHNOLOGIES, Database Management System

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WHAT IS DATABASE TECHNOLOGIES

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What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto

Illustrate the diagram - association as a cache, Association as a cache ...

Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient.    Figure:

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Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en

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What is a super key? A super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity set.

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The basic merits of decomposition. The Advantages of Decomposition 1.  Separate person can work on each subsystem. 2.  A particular software engineer can specialize in a

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