ECAT Computer Science Data Integrity and Normalization Test Online

ECAT Computer Science Data Integrity and Normalization Test

ECAT Computer Science Chapter 10 Data Integrity and Normalization Online Test

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Data Integrity and Normalization Test Online MCQs

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1. What type of dependency is A → B, B → C implies A → C?

2. Which term refers to consistency between related tables?

3. Which is a disadvantage of normalization?

4. Which form of normalization removes repeating groups?

5. Which of these is an example of denormalization?

6. Which SQL keyword can help maintain entity integrity?

7. Which of the following is a domain integrity rule?

8. Which of the following is not an integrity rule in databases?

9. Which of the following constraints ensures that no two rows have the same value in a column?

10. Which of the following helps enforce domain integrity?

11. Which normal form is based on the concept of functional dependency?

12. Which of these terms refers to meaningful grouping of data in a database?

13. Which normal form removes transitive dependencies?

14. What is a delete anomaly?

15. What does the NOT NULL constraint do?

16. Which of the following ensures the accuracy and consistency of data over its lifecycle?

17. Which normal form eliminates multi-valued dependencies?

18. What is data redundancy?

19. What is a normal form in database design?

20. Which of the following is used to define rules for valid values in a column?

21. What does entity integrity ensure?

22. In which normal form is a relation if it is free from transitive and partial dependencies?

23. What is a prime attribute?

24. Which of the following is true for 1NF?

25. Which of the following is not a feature of a normalized database?


 

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