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What is the purpose of the database?  Why is it needed?  What should it do?

What is the purpose of the database?  Why is it needed?  What should it do?

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter9: Database Design
Section: Chapter Questions
Problem 7P
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You are hired to design a complete database management system to address a practical database need and implementing a relational database based on that design.  Your database system should be designed to perform general information management tasks such as systematic collection, update, and retrieval of information for a small organization. (e.g., Library/video/bookstore)

The starting point of your job is to identify a database need of a real or hypothetical client, and write answers to the following questions:
 

  1. What is the purpose of the database?  Why is it needed?  What should it do?
  2. Who are the users and what are their information needs?
  3. What are the problems that the system should solve?
  4. What input data is available to the database?
  5. What kind of information should be stored in the database?

You are also required to complete the following tasks, based on your proposed database management system in Q1.

  1. Business Rules (Min: 5)
  2. E-R Diagram
  3. Description of entities, attributes & relationships

 

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