MANAGEMENT INFORMATION SYSTEMS
15th Edition
ISBN: 9780134640037
Author: LAUDON
Publisher: PEARSON
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Chapter 6, Problem 6DQ
Program Plan Intro
- A database management system is a software package designed for defining, manipulating, retrieving and managing data in a database.
- It acts as an interface between the application programs and physical data files.
- The end user does not have to worry about where and how data is stored with the help of a database management system.
Database design
- Database design involves understanding the relationship among the data, type of data maintained in the database, how data will be used and so on.
- The conceptual and physical designs are two aspects for overall design of the database.
- The conceptual design is the abstract model of database from the business perspective.
- The physical design is the actual arrangement of database on direct access storage devices.
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