Database Design Process

Conceptual

Model

Logical

Model

External

Model

Conceptual

requirements

Conceptual

requirements

Conceptual

requirements

Conceptual

requirements

Application 1

Application 1

Application 2

Application 3

Application 4

Application 2

Application 3

Application 4

External

Model

External

Model

External

Model

Internal Model

1. Needs assessment

2. Requirements analysis

3. Data identification

4. Conceptual Design

6. Testing

5. Internal/Physical

Design

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