After completing Computing Concepts: Selecting Databases, the user should be able to:

	Distinguish the three models
	Understand the criteria for comparison
	Define transaction processing
	Explain information retrieval
	Identify change accommodation
	Choose the appropriate model

Evalutating the Three Models

Criteria for comparison

Evaluating The Hierarchical Model

	Information retrieval
	Change accommodation

Evaluating The Network Model

	Transaction processing
	Information retrieval
	Change accommodation

Evaluating The Relational Model

	Transaction processing
	Information retrieval
	Change accommodation

Evaluation Summary

The three models

Selecting The Appropriate Model

Case studies

This course has the following features:

	A glossary
	A Skill Assessment

	Computing Concepts: Types of Security (COMC01)
	Computing Concepts: Security Risks (COMC02)
	Computing Concepts: Database Basics (COMC03)

	Computing Concepts: Data Processing (COMC05)
	Computing Concepts: Managing Data (COMC06)
	Computing Concepts: Teleprocessing (COMC07)
	Computing Concepts: Transmitting Data (COMC08)
	Computing Concepts: Messages (COMC09)