Chapter 5Conceptual Data Modeling

Key Skills & Concepts

• The Conceptual Modeling Process

• Generic Models and Patterns

• Roles vs. Subtypes

• Dealing with Hierarchies, Networks, and Linked Lists

• Bottom Up vs. Top Down Modeling

• Subject Areas

• Evaluating the Model

Recall from Chapter 1 that a conceptual data model is a high-level model that captures data and relationship concepts in a technology-independent manner. This chapter explores conceptual models in detail along with the process used to create them.

The Conceptual Modeling Process

Conceptual modeling is important because it establishes scope for the subsequent logical and physical modeling phases. However, it is the most difficult among all the data modeling phases because there ...

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