1. Introduction to Databases
Understand what a database is.
Understand the difference between data and information.
Understand how a database is organized in terms of tables, records and fields.

2. A database is an organised collection of data
A database can be computerized or listed on hard copy (books / listings)

3. Telephone directory and TV listings
TV program listings

4. Advantages of computerized databases
Increased speed for searching
Stores large amount of information.

5. Difference between data and information
Example:
Data: Buddy birthdate: 12th May 1995
Processing: How old is buddy? (2015 – = ?)
Information: 20 years

6. A database file stores data in tables

7. The End Study Databases01 Notes