'Child entity' diaporamas de présentation

Referential Integrity and Database Design Recap: From Conceptual Design to Physical Relational Implementation

Referential Integrity and Database Design Recap: From Conceptual Design to Physical Relational Implementation. University of California, Berkeley School of Information IS 257: Database Management. Lecture Outline. Review Integrity constraints Database Design Process Recap

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Chapter 8

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Lecture 3

Lecture 3. Mapping from ERD to Relational database schema. ER model used for mapping. 1. Mapping strong entity types.

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Outline

Outline. ER model Overview Entity types Attributes, keys Relationship types Weak entity types Uses Crows feet notation for ER Diagrams in ERwin EER model Subclasses Specialization/Generalization Schema Design Single DB View integration in IS. Uses Crows feet notation for ER Diagrams.

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