4. Course Objectives
Introduction to Very basics
Guides through Different
design stages
Familiarize with a tool
Emphasis on
Design stages of Databases
8. 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
9. A database is a self-describing collection
of integrated records
Database Def-2
10. A database models a particular real world
system in the computer in the form of data
Database Def-3
11. The concept of a shared organizational
database
Accounting
Accounts
Payable
Accounts
Receivable
Management
ControlPlanning
Manufacturing
ProductionScheduling
Marketing
Product
Development
Sales
Corporate
Database
12. A bit of History
• Computer initially used for computational/
engineering purposes
• Commercial applications introduced File
Processing System
14. 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
16. Advantages of Database ApproachAdvantages of Database Approach
RegistrationExamination
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