EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
12th Edition
ISBN: 9781305886841
Author: Morris
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 9, Problem 13RQ
Program Plan Intro

Database Design:

  • The second stage of DBLC (Database Life cycle) is the database design.
  • DBLC is a sequential process which is used to trace the history of the application that is present within the information system.
  • The design phase consists of three stages and they are:
    • Conceptual design
      • Design a database that is independent of software and physical details.
    • Logical design
      • The main design goal is to make an enterprise wide database.
      • Design a database that is based on the specific data model but independent of physical details.
    • Physical design
      • It is used to determine the storage capabilities of the data in an organization and its access characteristics.
      • It ensures the integrity, security and performance.

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