With co-reviser Graham C. Witt, Simsion offers a practical guide to one of the most critical stages in the development of a computerized information system the design of the data model. Focusing on commercial information systems, he demonstrates how to organize the modeling task, manage compromises, understand subtypes and supertypes, design for flexibility, achieve basic and advanced normalization, develop and use generic models, model for the data warehouse, model the time dimension, and understand corporate data modeling. Annotation c. Book News, Inc., Portland, OR (booknews.com)

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