Normalization in SQL is the process of organizing data in a database to reduce redundancy and improve data integrity. This quiz on SQL normalization covers the core normal forms: 1NF, 2NF, 3NF, and BCNF.
Time limit: 0
Quiz Summary
0 of 15 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
A table that has atomic columns but repeating groups violates which normal form?
Correct
Incorrect
Question 4 of 15
4. Question
Which condition must be met for a table to be in Second Normal Form (2NF)?
Correct
Incorrect
Question 5 of 15
5. Question
What is a partial dependency?
Correct
Incorrect
Question 6 of 15
6. Question
What does 3NF remove that 2NF does not?
Correct
Incorrect
Question 7 of 15
7. Question
A table is in 2NF, but a non-key column depends on another non-key column. Which normal form is violated?
Correct
Incorrect
Question 8 of 15
8. Question
What is BCNF (Boyce-Codd Normal Form)?
Correct
Incorrect
Question 9 of 15
9. Question
Which of the following is TRUE about BCNF?
Correct
Incorrect
Question 10 of 15
10. Question
Which of the following causes a table to violate BCNF but not 3NF?
Correct
Incorrect
Question 11 of 15
11. Question
Which normal form must have a primary key?
Correct
Incorrect
Question 12 of 15
12. Question
Which normal form is sufficient for most practical database designs?
Correct
Incorrect
Question 13 of 15
13. Question
Which of the following is a result of not normalizing a database?
Correct
Incorrect
Question 14 of 15
14. Question
Which of the following best represents a transitive dependency?
Correct
Incorrect
Question 15 of 15
15. Question
Why is normalization important?
Correct
Incorrect
Summary
Mastering normalization helps you build efficient and reliable relational databases. This quiz on SQL normalization tests your knowledge of functional dependency, partial dependency, transitive dependency, and how to identify or apply each normal form.
At QuizOrbit, our team specializes in fun, informative quizzes across topics like general knowledge, technology, and entertainment. Boost your knowledge with our expert-designed quizzes.
