Welcome to the Relational Algebra MCQs Page

Dive deep into the fascinating world of Relational Algebra with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Relational Algebra, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Relational Algebra, 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.

Check out the MCQs below to embark on an enriching journey through Relational Algebra. 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 Algebra. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Relational Algebra MCQs | Page 9 of 11

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DBMS Basics

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The Entity Relationship Approach

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Relational Databases

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Normalization

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Indexing and Hashing

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Transactions

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Recovery System

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SQL

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Advanced SQL

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SQL Queries,Constraints and Triggers

Q81.

The SELECT operation is performed on

tuples of relation

attribute of table

entity of DBMS

columns of table

Discuss

Answer: (a).tuples of relation

Q82.

The selection condition of SELECT operator is considered as

column expression

row expression

string expression

Boolean expression

Discuss

Answer: (d).Boolean expression

Q83.

The type of JOIN operation through which one can keep all tuples in relations without considering corresponding tuples in any other relation is classified as

stem join

leaf join

outer join

inner join

Discuss

Answer: (c).outer join

Q84.

The process in which tuple is created by having combined attributes from two relations is classified as

Cartesian compatibility

Cartesian multiples

Cartesian product

Cartesian ordinate

Discuss

Answer: (c).Cartesian product

Q85.

Consider two tuples B and C, the operation whose result includes tuples that are included in both relations or either in B or C is classified as

square of relation B and C

union of relation B and C

intersection of relation B and C

difference of relation B and C

Discuss

Answer: (b).union of relation B and C

Q86.

In relational operations, the SELECT operation is written as

Σ < selection condition > ( S )

σ < selection condition > ( R )

ω < selection condition > ( R )

Ω < selection condition > ( R )

Discuss

Answer: (b).σ < selection condition > ( R )

Q87.

The nodes which represents queries in the relations are classified as

relation nodes

query nodes

truth nodes

local nodes

Discuss

Answer: (a).relation nodes

Q88.

In unary relational operations, the symbol Ï is used to represent the operation called

OR operation

AND operation

TABLE operation

PROJECT operation

Discuss

Answer: (d).PROJECT operation

Q89.

The relational calculus is classified as

high level language

low level language

query specifying language

query identifying language

Discuss

Answer: (a).high level language

Q90.

The kind of operation which is used to extend the traditional projection operation by including projection attributes in projection list is called

relational projection

generalized projection

analyzed projection

multiple projection

Discuss

Answer: (b).generalized projection

Page 9 of 11

Welcome to the Relational Algebra MCQs Page

Relational Algebra MCQs | Page 9 of 11

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Normalization

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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