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What does an entity represent in an ER model?
What does an entity represent in an ER model?
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Practice Questions
1 question
Q1
What does an entity represent in an ER model?
A relationship between two tables
A real-world object or concept
A specific attribute of a table
A constraint on data
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An entity represents a real-world object or concept in an ER model.
Questions & Step-by-step Solutions
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Q
Q: What does an entity represent in an ER model?
Solution:
An entity represents a real-world object or concept in an ER model.
Steps: 5
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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.
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