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: Joins Operations - Computer Science Engineering (CSE) MCQ

Test: Joins Operations - Computer Science Engineering (CSE) MCQ


Test Description

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

Test: Joins Operations for Computer Science Engineering (CSE) 2024 is part of Database Management System (DBMS) preparation. The Test: Joins Operations questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Joins Operations MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Joins Operations below.
Solutions of Test: Joins Operations questions in English are available as part of our Database Management System (DBMS) for Computer Science Engineering (CSE) & Test: Joins Operations 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: Joins Operations | 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: Joins Operations - Question 1
Save

Which view that contains more than one table in the top-level FROM clause of the SELECT statement:

Detailed Solution for Test: Joins Operations - Question 1

The DELETE statement is used to delete rows in a table. The UPDATE statement is used to update existing records in a table. The INSERT INTO statement is used to insert new records in a table.

Test: Joins Operations - Question 2
Save

Which join refers to join records from the write table that have no matching key in the left table are include in the result set:

Detailed Solution for Test: Joins Operations - Question 2

A right outer join will return all the rows that an inner join returns plus one row for each of the other rows in the second table that did not have a match in the first table. It is the same as a left outer join with the tables specified in the opposite order.

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

Which product is returned in a join query have no join condition:

Detailed Solution for Test: Joins Operations - Question 3

A Cartesian coordinate system is a coordinate system that specifies each point uniquely in a plane by a pair of numerical coordinates.

Test: Joins Operations - Question 4
Save

How many join types in join condition:
Detailed Solution for Test: Joins Operations - Question 4

INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, EQUIJOIN.

Test: Joins Operations - Question 5
Save

A_____ is a query that retrieves rows from more than one table or view:
Detailed Solution for Test: Joins Operations - Question 5

An SQL join clause combines records from two or more tables in a database. It creates a set that can be saved as a table or used as it is. A JOIN is a means for combining fields from two tables by using values common to each.

Test: Joins Operations - Question 6
Save

Which operation are allowed in a join view:
Detailed Solution for Test: Joins Operations - Question 6

The DELETE statement is used to delete rows in a table. The UPDATE statement is used to update existing records in a table. The INSERT INTO statement is used to insert new records in a table.

Test: Joins Operations - Question 7
Save

Which is a join condition contains an equality operator:
Detailed Solution for Test: Joins Operations - Question 7

An equi-join is a specific type of comparator-based join, that uses only equality comparisons in the join-predicate.

Test: Joins Operations - Question 8
Save

Which are the join types in join condition:
Detailed Solution for Test: Joins Operations - Question 8

INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, EQUIJOIN are the types of joins.

Test: Joins Operations - Question 9
Save

Which oracle is the join condition is specified using the WHERE clause:
Detailed Solution for Test: Joins Operations - Question 9

Oracle 9i is a version of the Oracle Database. The i stands for “Internet” to indicate that 9i is “Internet ready”.

Test: Joins Operations - Question 10
Save

Which of the following Relational Algebra operations can be used when you want to keep all the tuples of the first relation irrespective of whether or not they have matching tuples in the second relation?
Detailed Solution for Test: Joins Operations - Question 10

The answer to the above question is Option (b) Left-outer Join
A JOIN clause is used to combine rows from two or more tables, based on a related column between them.
Here are the different types of the JOINs in SQL:

  • (INNER) JOIN: Returns records that have matching values in both tables
  • LEFT (OUTER) JOIN: Returns all records from the left table, and the matched records from the right table
  • RIGHT (OUTER) JOIN: Returns all records from the right table, and the matched records from the left table
  • FULL (OUTER) JOIN: Returns all records when there is a match in either left or right table

We can see that left join keeps all the elements from the first relation irrespective of their presence in second relation.
Diagram to visualize joins:

62 videos|66 docs|35 tests
Join Course
Information about Test: Joins Operations Page
In this test you can find the Exam questions for Test: Joins Operations solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Joins Operations, 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 Joins Operations

Find all the important questions for Joins Operations at EduRev.Get fully prepared for Joins Operations with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Joins Operations 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 Joins Operations resources.

Joins Operations MCQs with Answers

Prepare for the Joins Operations 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 Joins Operations 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 Joins Operations 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