The requirements analysis results in a physical data model that is developed in stages as follows: (1) normalized data model; (2) key-based data model; (3) fully attributed data model; and (4) the context data model.

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The requirements analysis typically results in a logical data model, not a physical one. The stages mentioned do not align with standard data modeling practices, which usually involve conceptual, logical, and then physical data models.

The Requirements Analysis Results in a Physical Data Model That