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Welcome to the RDBMS MCQs Page

Dive deep into the fascinating world of RDBMS with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of RDBMS, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of RDBMS, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through RDBMS. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of RDBMS. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

RDBMS MCQs | Page 4 of 8

Q31.
Which of the following is used to express database consistency?
Discuss
Answer: (d).All of the mentioned
Q32.
Which of the following is not a condition for the third normal form in the case of X→Y?
Discuss
Answer: (d).Each attribute in X-Y is a candidate key for R
Q33.
F+ is called as the ________ of F
Discuss
Answer: (a).Closure
Q34.
State true or false: A functional dependency must first satisfy the second normal form to satisfy the third normal form.
Discuss
Answer: (a).True
Q35.
State true or false: The fourth normal form does not exist and it is instead called as the BCNF.
Discuss
Answer: (b).False
Q36.
A functional dependency f on R is _______ by a set of functional dependencies F on r if every instance of r(R) that satisfies f also satisfies F.
Discuss
Answer: (c).Logically implied
Q37.
If F is a set of functional dependencies, then the closure of F is denoted by?
Discuss
Answer: (c).F+
Q38.
If a functional dependency is reflexive, B is a subset of A and A is the set of attributes, then
Discuss
Answer: (b).A→B holds
Q39.
State true or false: Armstrong’s axioms allow us to generate all F+ for any given F
Discuss
Answer: (a).True
Discuss
Answer: (d).They cannot generate incorrect functional dependencies
Page 4 of 8

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