A Brief introduction to data, information, Database, DBMS with example from Pak_ Educators

1. Welcome to Pak Educators

2. Database Management System

3. Agenda
What is Data?
What is information?
What is Database?
What is Database Management System?
Database Languages?
Applications of DBMSs.

4. What is data?
Datum  Data  Raw & Unorganized Facts
.
Example: Population of a city
The number of visitors to a website
What is information?
Organized, structured form of data is called
information.
Example: Average literacy rate of men / women
Traffic from USA/ China

5. What is database?
An organized / structured collection of information in
computerized format.
Example: NADRA Pakistan
Database management system:
Any Software that handles the storage, retrieval, and
updating of data in a computer system.

6. Types Of Database Management Systems
 Hierarchical Databases
 Network Databases
 Relational Databases
 Object-Oriented
 Graph Databases
 ER Model Databases

7.  Computerized Library Systems
 Automated Teller Machines
 Flight Reservation Systems
 And so on
Examples of Database Applications

9.  Telecom
 Industry
 Banking System
 Sales
 Airlines
 Education sector
 Online shopping
Applications of DBMS