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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 1 of 8

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Q1.
State true or false: SQL specifies a way of mentioning functional dependencies

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q2.
State true or false: Most current database systems do not support constraints on materialized view

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q3.
Multi valued dependencies are also called as __________

a.

Equality generating dependencies

b.

Tuple generating dependencies

c.

Multi-purpose dependencies

d.

None of the mentioned

Discuss
Answer: (b).Tuple generating dependencies
Q4.
Functional dependencies are sometimes referred to as ________

a.

Equality generating dependencies

b.

Tuple generating dependencies

c.

Multi-purpose dependencies

d.

None of the mentioned

Discuss
Answer: (a).Equality generating dependencies
Q5.
The _______ is a set of all functional and multi values dependencies implied by a set of functional dependencies

a.

Star

b.

Closure

c.

Derivation

d.

Evolution

Discuss
Answer: (b).Closure
Q6.
State true or false: If a relational schema is in _______ NF and A is a subset of R and B is also a subset of R then it is that A is a superkey is a trivial multi values dependency.

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q7.
Which of the following normal forms does not exist?

a.

BCNF

b.

PJNF

c.

5NF

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q8.
Choose the correct statement regarding superkeys

a.

A superkey is an attribute or a group of multiple attributes that can uniquely identify a tuple

b.

A superkey is a tuple or a set of multiple tuples that can uniquely identify an attribute

c.

Every superkey is a candidate key

d.

A superkey is an attribute or a set of attributes that distinguish the relation from other relations

Discuss
Answer: (a).A superkey is an attribute or a group of multiple attributes that can uniquely identify a tuple
Q9.
What is an Instance of a Database?

a.

The logical design of the database system

b.

The entire set of attributes of the Database put together in a single relation

c.

The state of the database system at any given point of time

d.

The initial values inserted into the Database immediately after its creation

Discuss
Answer: (c).The state of the database system at any given point of time
Q10.
What is a foreign key?

a.

A foreign key is a primary key of a relation which is an attribute in another relation

b.

A foreign key is a superkey of a relation which is an attribute in more than one other relations

c.

A foreign key is an attribute of a relation that is a primary key of another relation

d.

A foreign key is the primary key of a relation that does not occur anywhere else in the schema

Discuss
Answer: (c).A foreign key is an attribute of a relation that is a primary key of another relation
Page 1 of 8

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