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Computer Science MCQ Test
Database Normalisation MCQ Test 5

Database Normalisation MCQ Test 5

Database Normalisation MCQ Test: Database Normalisation MCQs - Practice Questions

Database Normalisation MCQ Test 1 [50 questions]Database Normalisation MCQ Test 2 [40 questions]Database Normalisation MCQ Test 3 [30 questions]Database Normalisation MCQ Test 4 [20 questions]Database Normalisation MCQ Test 5 [10 questions]

Total Questions : 10
Expected Time : 10 Minutes

1. How does the normalization process contribute to data integrity?

By minimizing redundancy

By simplifying user interfaces

By maximizing data storage

By enforcing referential integrity

2. In the context of database normalization, what is the purpose of the Fifth Normal Form (5NF)?

To eliminate partial dependencies

To handle multivalued dependencies

To minimize redundancy

To ensure atomicity

3. When might it be appropriate to denormalize a database?

When optimizing for storage space

When dealing with complex queries

When ensuring data integrity

When normalizing to fifth normal form (5NF)

4. What is the purpose of the Boyce-Codd Normal Form (BCNF) in database normalization?

To eliminate partial dependencies

To minimize redundancy

To ensure atomicity

To enforce referential integrity

5. In the context of database design, what is an anomaly?

An unexpected system error

An inconsistency or error in data

A unique key constraint violation

A database corruption issue

6. What is the advantage of using foreign keys in a database?

To uniquely identify a record

To establish a link between tables

To speed up query performance

To ensure data integrity

7. What is the role of materialized views in a normalized database environment?

To minimize redundancy

To simplify data retrieval

To store additional metadata

To speed up query performance

8. What is a surrogate key in a database?

A key that opens any door

A key used for encryption

A substitute for the primary key

A primary key with composite attributes

9. What is a foreign key in a relational database?

A key that opens any door

A key used for encryption

A key referencing another table's primary key

A primary key with composite attributes

10. When is denormalization typically used in a database?

To improve data integrity

To simplify complex queries

To minimize storage space

To ensure third normal form (3NF)

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