What are entity-relationship diagrams and how are they used? What symbol is used to represent an entity

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What are entity-relationship diagrams and how are they used? What symbol is used to represent an entity in an ERD? What symbol is used for a relationship? What is cardinality, and what symbols do you use in the crow’s foot notation method?

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Systems Analysis and Design

ISBN: 978-1133274636

9th Edition

Authors: Shelly Cashman, Gary B. Shelly and Harry J. Rosenblatt

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Question Posted: Nov 03, 2012 09:31 AM

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What are entity-relationship diagrams and how are they used? What symbol is used to represent an entity

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Entityrelationship diagrams ERDs are graphical representations of an infor...View the full answer

Systems Analysis and Design

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