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The top documents tagged [er attributes]
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er attributes
Entity Relationship Model
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9/2/2014 1Yan Huang - ER Chapter 6: ER – Entity Relationship Diagram Major components of ER diagram Major components of ER diagram Practices Practices.
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Ch 6 Logical D B Design
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Keys are special fields that serve two main purposes: ◦ Primary keys are unique identifiers of the relation in question. Examples include employee numbers,
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Chapter 5 1 © Prentice Hall, 2002 Chapter 5: Transforming EER Diagrams into Relations Mapping Regular Entities to Relations 1. Simple attributes: E-R attributes.
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Chapter 9: Logical Database Design and the Relational Model (ERD Mapping)
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Logical Database Design and the Relational Model.
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1 Logical Database Design and the Relational Model Modern Database Management.
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Chapter 4: Logical Database Design and the Relational Model
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