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Relational Algebra DBMS Questions And Answers

Here you can find Relational Algebra DBMS Questions and Answers.

Why Relational Algebra DBMS Questions and Answers Required?

In this Relational Algebra DBMS Questions and Answers section you can learn and practice Relational Algebra DBMS Questions and Answers to improve your skills in order to face technical inerview conducted by organisations. By Practicing these interview questions, you can easily crack any Exams interview.

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Relational Algebra DBMS Questions & Answers

1. Relational Algebra DBMS is a __________ query language that takes two relation as input and produces another relation as output of the query.

Relational Algebra DBMS Questions & Answers

2. Which of the following is a fundamental operation in Relational Algebra DBMS ?

Relational Algebra DBMS Questions & Answers

3. Which of the following is used to denote the selection operation in Relational Algebra DBMS ?

Relational Algebra DBMS Questions & Answers

4. For select operation the ________ appear in the subscript and the ___________ argument appears in the paranthesis after the sigma.

Relational Algebra DBMS Questions & Answers

5. The ___________ operation, denoted by -, allows us to find tuples that are in one relation but are not in another.

Relational Algebra DBMS Questions & Answers

6. Which is a unary operation:

Relational Algebra DBMS Questions & Answers

7. Which is a join condition contains an equality operator:

Relational Algebra DBMS Questions & Answers

8. In precedence of set operators the expression is evaluated from

Relational Algebra DBMS Questions & Answers

9. Which of the following is not outer join ?

Relational Algebra DBMS Questions & Answers

10. The assignment operator is denoted by

Home EngineeringComputer Science & EngineeringDBMS Questions and AnswersRelational Algebra

Relational Algebra - DBMS Questions and Answers

This is the DBMS questions and answers section on "Relational Algebra" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Multiple choice questions on DBMS topic related to the Relational Algebra are arranged on this page. Students can practice these Relational Algebra DBMS MCQ Questions and Answers for preparation of various competitive and entrance examinations. All the competitors can move to the below sections of this page and take part in the Relational Algebra DBMS Online Test. We have provided the Relational Algebra DBMS Interview Questions and Answers in the below mock test. So, the aspirants can check and practice the questions in the Relational Algebra DBMS Quiz.



Relational Algebra DBMS Questions - Relational Algebra DBMS Quiz Details

Online Test Name Relational Algebra
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 10


Relational algebra is a procedural query language, which takes the instances of relations as input and yields instances of relations as output. It uses operators to perform queries. Relational algebra is performed recursively on a relation, and intermediate results are also considered relations. All the applicants need to know all the essential points related to the Relational Algebra in DBMS. With the help of this article, the contenders can understand all the types of the Relational Algebra DBMS Questions and Answers. Hence, the candidates need to take part in the Relational Algebra DBMS Quiz and learn the questions along with the explanations.



Relational Algebra DBMS Multiple Choice Questions

Contenders can check the different kinds of Relational Algebra DBMS Questions in the below sections of this article. So, the competitors need to practice the Relational Algebra DBMS Questions with the help of the online test. In the above table, we have arranged the information like Online Test Name, Category, Exam Type, and the Number of Questions. The candidates can check all the questions along with the explanation from the below quiz. In addition to this, the students can visit our website @ Allindiaexams.in to participate in more online tests and quizzes to prepare for the interviews and entrance tests. With the help of our web portal, the contenders can improve the technical and logical skills.

Relational Algebra MCQ Quiz Answers with Solutions

Applicants need not provide login details to participate in the Relational Algebra DBMS Quiz. There is no time limit and negative marking for the Relational Algebra DBMS Questions which are arranged on this page. The aspirants can practice the Relational Algebra DBMS Online Test and know all the questions and answers. Contenders can click on the View Answer button to check which is the right option among all the given alternatives.


1. 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
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Answer & Explanation

Answer: Option C

Explanation:

Procedural

This language has fundamental and other operations which are used on relations .

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2. Which of the following is a fundamental operation in relational algebra ?
  • A. Set intersection
  • B. Natural join
  • C. Assignment
  • D. None of the mentioned
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Answer & Explanation

Answer: Option D

Explanation:

None of the mentioned

The fundamental operations are select, project, union, set difference, Cartesian product, and rename.

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3. Which of the following is used to denote the selection operation in relational algebra ?
  • A. Pi (Greek)
  • B. Sigma (Greek)
  • C. Lambda (Greek)
  • D. Omega (Greek)
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Answer & Explanation

Answer: Option B

Explanation:

Sigma (Greek)

The select operation selects tuples that satisfy a given predicate.

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4. For select operation the ________ appear in the subscript and the ___________ argument appears in the paranthesis after the sigma.
  • A. Predicates, relation
  • B. Relation, Predicates
  • C. Operation, Predicates
  • D. Relation, Operation
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Answer & Explanation

Answer: Option A

Explanation:

Predicates, relation

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5. The ___________ operation, denoted by -, allows us to find tuples that are in one relation but are not in another.
  • A. Union
  • B. Set-difference
  • C. Difference
  • D. Intersection
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Answer & Explanation

Answer: Option B

Explanation:

Set-difference

The expression r - s produces a relation containing those tuples in r but not in s.

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