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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.

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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 1 of 11

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Q1.
Which of the following is Relation-algebra Operation?

a.

Select

b.

Union

c.

Rename

d.

All of the above

Discuss
Answer: (d).All of the above
Q2.
Which of the following in not Outer join?

a.

Left outer join

b.

Right outer join

c.

Full outer join

d.

All of the above are outer joins

Discuss
Answer: (d).All of the above are outer joins
Q3.
Which of the following is not Unary operation?

a.

Select

b.

Project

c.

Rename

d.

Union

Discuss
Answer: (d).Union
Q4.
Which of the following is not binary operation?

a.

Union

b.

Project

c.

Set Difference

d.

Cartesian Product

Discuss
Answer: (b).Project
Q5.
which of the following is not an Aggregate function?

a.

Min

b.

Max

c.

Select

d.

Avg

Discuss
Answer: (c).Select
Q6.
Which algebra is widely used in DBMS?

a.

Relational algebra

b.

Arithmetic algebra

c.

Both a and b

d.

None of the above

Discuss
Answer: (a).Relational algebra
Q7.
Which of the following is an unary operation?

a.

Selection operation

b.

Generalized selection

c.

Primitive operation

d.

Projection operation

Discuss
Answer: (b).Generalized selection
Q8.
In precedence of set operators the expression is evaluated from:

a.

Left to Left

b.

Left to Right

c.

Right to Right

d.

Right to Left

Discuss
Answer: (b).Left to Right
Q9.
The operation which is not considered a basic operation of relational algebra is

a.

Join

b.

Selection

c.

Union

d.

Cross product

Discuss
Answer: (a).Join
Q10.
Relational Algebra is a __________ query language that takes two relation as input and produces another relation as output of the query.

a.

Relational

b.

Structural

c.

Procedural

d.

Fundamental

Discuss
Answer: (c).Procedural
Page 1 of 11

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