Chapter 4. Requirements Analysis and Conceptual Data Modeling
This chapter shows how the entity–relationship (ER) and Unified Modeling Language (UML) approaches can be applied to the database life cycle, particularly in steps I through II(b) (as defined in Section 1.2), which include the requirements analysis and conceptual data modeling stages of logical database design.
4.1. Introduction
Logical database design is accomplished with a variety of approaches, including the top-down, bottom-up, and combined methodologies. The traditional approach, particularly for relational databases, has been a low-level, bottom-up activity, synthesizing individual data elements into normalized tables after carefully analyzing the data element interdependencies ...
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