Dbms

Essay specific features

 

Issue:

Business

 

Written by:

Reuben C

 

Date added:

January 12, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 766

 

Was viewed:

2455 times

 

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Essay content:

For example If we are concerned with personal data of students and there mark-sheet, ‘student’ and ‘mark-sheet’ are entities. 2 Attribute:- The characteristics of an entities is called an attribute. For Ex: Student Name , Address, city and phone number are different attributes of an entity ‘student’...
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The sharing of data is possible only if database is integrated. V Data independence 1 Physical data independence Physical techniques of data can be changed without changing the application programs. 2 Logical data independence Logical structure can be changed without changing the application program...
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