Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > Which of the following is a fundamental opera...
Start Learning for Free
Which of the following is a fundamental operation in relational algebra?
- a)Set intersection
- b)Natural join
- c)Assignment
- d)None of the mentioned
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Which of the following is a fundamental operation in relational algebr...
The fundamental operations of relational algebra include selection, projection, union, set difference, Cartesian product, and rename. Set intersection and natural join are not considered fundamental operations but can be derived from these fundamental operations.
View all questions of this test
Most Upvoted Answer
Which of the following is a fundamental operation in relational algebr...
Understanding Relational Algebra Operations
Relational algebra is a foundational concept in database systems, used for querying and manipulating data stored in relational databases. It comprises a set of operations that can be performed on relations (tables).
Fundamental Operations in Relational Algebra
The fundamental operations in relational algebra typically include:
- Select (σ): Filters rows based on a specified condition.
- Project (π): Selects specific columns from a relation.
- Union (∪): Combines the tuples of two relations while eliminating duplicates.
- Set Difference (-): Retrieves tuples from one relation that are not in another.
- Cartesian Product (×): Combines all tuples from two relations.
Analysis of the Options
Now, let’s analyze the options provided in the question:
- Set Intersection (a): This operation is not considered fundamental in relational algebra, as it can be derived from other operations like union and set difference.
- Natural Join (b): While important, the natural join is not a fundamental operation. It can be expressed using Cartesian product followed by a selection operation.
- Assignment (c): This is a procedural operation that allows for storing the result of a relational operation but is not an operation in the relational algebra itself.
- None of the mentioned (d): Since none of the listed operations (a, b, c) qualify as fundamental operations, this option is correct.
Conclusion
Therefore, the correct answer is option 'D', as none of the mentioned operations qualify as fundamental operations in relational algebra. Understanding these distinctions is essential for mastering database concepts and effectively utilizing relational databases.
Relational algebra is a foundational concept in database systems, used for querying and manipulating data stored in relational databases. It comprises a set of operations that can be performed on relations (tables).
Fundamental Operations in Relational Algebra
The fundamental operations in relational algebra typically include:
- Select (σ): Filters rows based on a specified condition.
- Project (π): Selects specific columns from a relation.
- Union (∪): Combines the tuples of two relations while eliminating duplicates.
- Set Difference (-): Retrieves tuples from one relation that are not in another.
- Cartesian Product (×): Combines all tuples from two relations.
Analysis of the Options
Now, let’s analyze the options provided in the question:
- Set Intersection (a): This operation is not considered fundamental in relational algebra, as it can be derived from other operations like union and set difference.
- Natural Join (b): While important, the natural join is not a fundamental operation. It can be expressed using Cartesian product followed by a selection operation.
- Assignment (c): This is a procedural operation that allows for storing the result of a relational operation but is not an operation in the relational algebra itself.
- None of the mentioned (d): Since none of the listed operations (a, b, c) qualify as fundamental operations, this option is correct.
Conclusion
Therefore, the correct answer is option 'D', as none of the mentioned operations qualify as fundamental operations in relational algebra. Understanding these distinctions is essential for mastering database concepts and effectively utilizing relational databases.
Attention Computer Science Engineering (CSE) Students!
To make sure you are not studying endlessly, EduRev has designed Computer Science Engineering (CSE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Computer Science Engineering (CSE).
|
Explore Courses for Computer Science Engineering (CSE) exam
|
|
Similar Computer Science Engineering (CSE) Doubts
Top Courses for Computer Science Engineering (CSE)View all
Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer?
Question Description
Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer?.
Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE).
Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free.
Here you can find the meaning of Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following is a fundamental operation in relational algebra?a)Set intersectionb)Natural joinc)Assignmentd)None of the mentionedCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.
|
|
Explore Courses for Computer Science Engineering (CSE) exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup