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What is the main purpose of an ER model?
What is the main purpose of an ER model?
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Practice Questions
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Q1
What is the main purpose of an ER model?
To define SQL queries
To visualize database structure
To manage transactions
To optimize indexing
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The main purpose of an ER model is to visualize the structure of a database, including entities, attributes, and relationships.
Questions & Step-by-step Solutions
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Q
Q: What is the main purpose of an ER model?
Solution:
The main purpose of an ER model is to visualize the structure of a database, including entities, attributes, and relationships.
Steps: 6
Show Steps
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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