2. Course Objectives
Introduction to Very basics
Guides through Different
design stages
Familiarize with a Databases
Emphasis on Design stages
of Databases
6. Database Def-1
A database is a shared collection of
logically related data that is stored to
meet the requirements of different
users of an organization
7. A database is a self-describing collection of
integrated records
Database Def-2
8. A database models a particular real world
system in the computer in the form of data
Database Def-3
9. The concept of a shared organizational
database
Accounting
Accounts
Payable
Accounts
Receivable
Management
Control
Planning
Manufacturing
Production
Scheduling
Marketing
Product
Development
Sales
Corporate
Database
10. A bit of History
• Computer initially used for computational/
engineering purposes
• Commercial applications introduced File
Processing System
12. File Processing Systems
Program and Data Interdependence
Registration
Applications
Registration
Data
Files
Registration
Examination
Applications
Examination
Data
Files
Examination
Library
Applications
Library
Data
Files
Library
14. Advantages of Database Approach
Registration
Examination
Library
Applications
Library
Examination
Applications
Registration
Applications
Database
Management
System
University
Students
Database
- Data Sharing - Data Independence
- Controlled Redundancy - Better Data Integrity
First Lecture Ends