'Identifying relationship type dependent' diaporamas de présentation

Entity-Relationship Model

Entity-Relationship Model. Gang Qian Department of Computer Science University of Central Oklahoma. Overview (Chapters 7 and 9). Overview of Database Design Process ER Model Concepts Entities and Attributes Entity Types, Value Sets, and Key Attributes Relationships and Relationship Types

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Unit Reading Assignment

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Initial Design of Entity Types: EMPLOYEE, DEPARTMENT, PROJECT, DEPENDENT

Initial Design of Entity Types: EMPLOYEE, DEPARTMENT, PROJECT, DEPENDENT. Gender. Gender. Refining the initial design by introducing relationships. The initial design is typically not complete Some aspects in the requirements will be represented as relationships

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