Discuss the advantages of using the database approach as against the file-based approach.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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a) Discuss the advantages of using the database approach as against the file-based approach.

b) The goal of the three-schema architecture is to separate the user applications from the 
physical database. Discuss the three (3) levels of the three-schema architecture. 

 

c) What do you understand by the E-R model?

 

d) Specify the foreign keys for the database shown in figure 1, stating any assumptions you 
make.

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