1. Introduction

Question 1

What do we want to do with data?

Answer 1

Add files
Removes files
Add data
Retreive data
Alter data
Remove data

Question 2

Database System

Answer 2

Computerised record-keeping system

Databases are centralised sources of data in an organization

Components:
-Hardware
-Software (DBMS)
-Users

Question 3

Database Concepts

Answer 3

Databases are integrated and shared

Databases store persistent data = entities + relationships

Transactions

Data independence

Question 4

Benefits of using databases

Answer 4

-Data is shared easily
-Reduces redundancy
-Avoids inconsistencies
-Supports transactions
-Maintains integry
Enforces security
-Enforces standards