Database Design Using Entity-Relationship Diagrams clarifies ER diagram design by defining it in terms of requirements (end user requests) and specifications (designer feedback to that request). The book emphasizes how communication between designers and users during design is crucial for the elicitation of targeted data, and for the creation of an understandable ER diagram. The authors describe how to develop an ER diagram, how to map it to a database, and how the resulting database can be tested. This definitive guide is a beneficial component of any database course and is a strong supplement for any database professional unfamiliar with ER design.
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