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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced content levelIntermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

4.9 Forward and Reverse Engineering: ER and Relational Models

Forward engineering is the process of translating a conceptual database schema to a logical database schema. In the design process described in Chapter 2, Figure 2.3, this is moving from Step 2 (Develop Conceptual Model) to Steps 3 and 4 (Choose DBMS and Develop Logical Model). In our discussion here, the conceptual schema is an ER diagram, and the target model is the logical schema for a relational database. In forward engineering, it is typical to have a source model that is more expressive than the target model. In the relational model, for example, the only available construct is a table; the only additional semantics in the logical model are primary and foreign keys. The ER model ...

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Publisher Resources

ISBN: 9781284231595