What is the main purpose of an ER model?
Correct Answer: To visualize the structure of a database.
- Step 1: Understand that an ER model stands for Entity-Relationship model.
- Step 2: Know that it is used to design and visualize a database.
- Step 3: Identify that the model shows different entities, which are objects or things in the database.
- Step 4: Learn that attributes are the details or properties of these entities.
- Step 5: Recognize that relationships show how these entities are connected to each other.
- Step 6: Conclude that the main purpose of an ER model is to help people understand the structure of a database clearly.
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