Database Modeling with ER Model
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Questions and Answers

Which one of the following best describes an entity in a database?

  • A set of entities of the same type
  • A collection of entities and relationships
  • A mathematical relation among multiple entities
  • An object that exists and is distinguishable from other objects (correct)

    • What are attributes in the context of entities?

  • Entities that have the same properties (correct)
  • Objects that exist and are distinguishable
  • Collections of entities and relationships
  • Sets of entities of the same type

    • What is an entity set?

  • A collection of entities and relationships
  • Entities that have the same properties
  • A set of entities of the same type that share the same properties (correct)
  • A mathematical relation among multiple entities

    • What is a relationship in a database?

    <p>An association among several entities</p> Signup and view all the answers

    What is a relationship set in a database?

    <p>A mathematical relation among multiple entities</p> Signup and view all the answers

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