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Questions and Answers
Which of the following is a step in building a database for an application?
Which of the following is a step in building a database for an application?
- Define the functional dependencies.
- Translate the ERD to a database schema.
- Understand the real-world domain being captured. (correct)
- Normalize the relations.
Which concept is used in normalization to group attributes into relations?
Which concept is used in normalization to group attributes into relations?
- Functional dependency (correct)
- Normalization form
- Database schema
- Entity-relationship diagram
What is the purpose of normalization?
What is the purpose of normalization?
- To group attributes into relations.
- To define the functional dependencies.
- To eliminate data redundancy and improve data integrity. (correct)
- To understand the real-world domain being captured.
What are the most commonly used normal forms in normalization?
What are the most commonly used normal forms in normalization?
How does normalization use functional dependencies?
How does normalization use functional dependencies?
Which of the following is NOT a step in building a database for an application?
Which of the following is NOT a step in building a database for an application?
What is the purpose of functional dependency in normalization?
What is the purpose of functional dependency in normalization?
Which normal form ensures that there are no repeating groups in a relation?
Which normal form ensures that there are no repeating groups in a relation?
What are the characteristics of functional dependencies used in normalization?
What are the characteristics of functional dependencies used in normalization?
How does normalization use functional dependencies to group attributes into relations?
How does normalization use functional dependencies to group attributes into relations?
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