All Courses
Get the App Signup / Login
Sign in Open App
Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Tests  >  Database Management System (DBMS)  >  Test: Keys - Computer Science Engineering (CSE) MCQ

Test: Keys - Computer Science Engineering (CSE) MCQ


Test Description

10 Questions MCQ Test Database Management System (DBMS) - Test: Keys

Test: Keys for Computer Science Engineering (CSE) 2024 is part of Database Management System (DBMS) preparation. The Test: Keys questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Keys MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Keys below.
Solutions of Test: Keys questions in English are available as part of our Database Management System (DBMS) for Computer Science Engineering (CSE) & Test: Keys solutions in Hindi for Database Management System (DBMS) course. Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free. Attempt Test: Keys | 10 questions in 30 minutes | Mock test for Computer Science Engineering (CSE) preparation | Free important questions MCQ to study Database Management System (DBMS) for Computer Science Engineering (CSE) Exam | Download free PDF with solutions
Test: Keys - Question 1
Save

A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

Detailed Solution for Test: Keys - Question 1

A relation, say r1, may include among its attributes the primary key of another relation, say r2. This attribute is called a foreign key from r1, referencing r2. The relation r1 is also called the referencing relation of the foreign key dependency, and r2 is called the referenced relation of the foreign key.

Test: Keys - Question 2
Save

The relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as a primary key is called ______________

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Keys - Question 3
Save

Which one of the following cannot be taken as a primary key?

Detailed Solution for Test: Keys - Question 3

Street is the only attribute which can occur more than once.

Test: Keys - Question 4
Save

A _____ is a property of the entire relation, rather than of the individual tuples in which each tuple is unique.
Detailed Solution for Test: Keys - Question 4

Key is the constraint which specifies uniqueness.

Test: Keys - Question 5
Save

Consider attributes ID, CITY and NAME. Which one of this can be considered as a super key?
Detailed Solution for Test: Keys - Question 5

Here the id is the only attribute which can be taken as a key. Other attributes are not uniquely identified.

Test: Keys - Question 6
Save

The ______ is the one in which the primary key of one relation is used as a normal attribute in another relation.
Test: Keys - Question 7
Save

An attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation.
Detailed Solution for Test: Keys - Question 7

The primary key has to be referred in the other relation to form a foreign key in that relation.

Test: Keys - Question 8
Save

Which one of the following attribute can be taken as a primary key?
Detailed Solution for Test: Keys - Question 8

The attributes name, street and department can repeat for some tuples. But the id attribute has to be unique. So it forms a primary key.

Test: Keys - Question 9
Save

The subset of a super key is a candidate key under what condition?
Detailed Solution for Test: Keys - Question 9

The subset of a set cannot be the same set. Candidate key is a set from a super key which cannot be the whole of the super set.

Test: Keys - Question 10
Save

Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?
Detailed Solution for Test: Keys - Question 10

Super key is the superset of all the keys in a relation.

62 videos|66 docs|35 tests
Join Course
Information about Test: Keys Page
In this test you can find the Exam questions for Test: Keys solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Keys, EduRev gives you an ample number of Online tests for practice

Top Courses for Computer Science Engineering (CSE)

Download as PDF

Top Courses for Computer Science Engineering (CSE)

Important Questions for Keys

Find all the important questions for Keys at EduRev.Get fully prepared for Keys with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Keys syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Keys resources.

Keys MCQs with Answers

Prepare for the Keys within the Computer Science Engineering (CSE) exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Keys Database Management System (DBMS)

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Keys with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Signup to see your scores go up
within 7 days!
Takes less than 10 seconds to signup