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Questions and Answers
Which one of the following best describes an entity in a database?
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?
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?
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?
What is a relationship in a database?
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What is a relationship set in a database?
What is a relationship set in a database?
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