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Welcome to the Relational Databases MCQs Page

Dive deep into the fascinating world of Relational Databases with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Relational Databases, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Relational Databases, 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 Relational Databases. 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 Relational Databases. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Relational Databases MCQs | Page 4 of 12

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Q31.
In the relational models, cardinality is termed as:

a.

Number of tuples

b.

Number of attributes

c.

Number of table

d.

Number of constraints

Discuss
Answer: (a).Number of tuples
Q32.
In a relational model, relations are termed as

a.

Tuples

b.

Attributes

c.

Rows

d.

Tables

Discuss
Answer: (d).Tables
Q33.
A relational database developer refers to a record as

a.

a criteria

b.

a relation

c.

a tuple

d.

an attribute

Discuss
Answer: (c).a tuple
Q34.
The relational model feature is that there

a.

is no need for primary key data

b.

is much more data independence than some other database models

c.

are explicit relationships among records

d.

are tables with many dimensions

Discuss
Answer: (b).is much more data independence than some other database models
Q35.
Key to represent relationship between tables is called

a.

Primary key

b.

Secondary Key

c.

Foreign Key

d.

None of these

Discuss
Answer: (c).Foreign Key
Q36.
In a relation

a.

Ordering of rows is immaterial

b.

No two rows are identical

c.

a and b both are true

d.

None of these

Discuss
Answer: (c).a and b both are true
Q37.
The RDBMS terminology for a row is

a.

tuple

b.

relation

c.

attribute

d.

degree

Discuss
Answer: (a).tuple
Q38.
Which of the operations constitute a basic set of operations for manipulating relational data?

a.

Predicate calculus

b.

Relational calculus

c.

Relational algebra

d.

None of the above

Discuss
Answer: (c).Relational algebra
Q39.
A primary key is combined with a foreign key creates

a.

Parent-Child relation ship between the tables that connect them

b.

Many to many relationship between the tables that connect them

c.

Network model between the tables that connect them

d.

None of the above

Discuss
Answer: (a).Parent-Child relation ship between the tables that connect them
Q40.
A primary key if combined with a foreign key creates

a.

Parent-Child relationship between the tables that connect them

b.

Many to many relationship between the tables that connect them

c.

Network model between the tables that connect them

d.

None of the above

Discuss
Answer: (a).Parent-Child relationship between the tables that connect them
Page 4 of 12

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