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What does an entity represent in an ER model?

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Question: What does an entity represent in an ER model?

Options:

  1. A relationship between two tables
  2. A real-world object or concept
  3. A specific attribute of a table
  4. A constraint on data

Correct Answer: A real-world object or concept

Solution: 

An entity represents a real-world object or concept in an ER model.

What does an entity represent in an ER model?

Practice Questions

Q1
What does an entity represent in an ER model?
  1. A relationship between two tables
  2. A real-world object or concept
  3. A specific attribute of a table
  4. A constraint on data

Questions & Step-by-Step Solutions

What does an entity represent in an ER model?
Correct Answer: A real-world object or concept
  • Step 1: Understand that an ER model is a way to represent data and its relationships.
  • Step 2: Know that an entity is something that exists in the real world.
  • Step 3: Real-world objects can be people, places, things, or concepts.
  • Step 4: In the ER model, each entity is represented as a box.
  • Step 5: Each entity has attributes, which are details about that entity.
No concepts available.
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