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Joins DBMS Questions And Answers

Here you can find Joins DBMS Questions and Answers.

Why Joins DBMS Questions and Answers Required?

In this Joins DBMS Questions and Answers section you can learn and practice Joins 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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Joins DBMS Questions and Answers

1. The____condition allows a general predicate over the relations being joined.

Joins DBMS Questions and Answers

2. Which of the join operations do not preserve non matched tuples.

Joins DBMS Questions and Answers

3. What type of join is needed when you wish to include rows that do not have matching values?

Joins DBMS Questions and Answers

4. How many tables may be included with a join?

Joins DBMS Questions and Answers

5. Which are the join types in join condition:

Joins DBMS Questions and Answers

6. How many join types in join condition:

Joins DBMS Questions and Answers

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

Joins DBMS Questions and Answers

8. The operation which is not considered a basic operation of relational algebra is

Joins DBMS Questions and Answers

9. In SQL the statement select * from R, S is equivalent to

Home EngineeringComputer Science & EngineeringDBMS Questions and AnswersJoins

Joins - DBMS Questions and Answers

This is the DBMS questions and answers section on "Joins" 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. Do you know about the Joins in DBMS? Are you ready to check the Joins DBMS Questions and Answers? In the below sections of this article, we have provided the Joins DBMS Online Test which consists of the multiple choice questions. Applicants who are preparing for the various competitive examinations can check the Joins DBMS Interview Questions from this post. Contenders can take part in the Joins DBMS Quiz to improve the skills in the Database Management System. The arranged Joins DBMS Mock test will available at free of cost to the users. So, all the students can check and know the Joins DBMS Questions and Answers along with the explanations.



Joins DBMS Questions - Joins DBMS Quiz Details

Online Test Name Joins
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 09


It is an SQL operation performed to build a connection between two or more database tables based on matching columns, by creating a relationship between the tables. Most of the complex queries in an SQL database management system involve join commands. There are different types of joins. The contenders need to know all the types of the joins to know about the topic in a detailed manner. By covering all the joins in DBMS, we have provided the Joins DBMS Questions on this page. Thus, the aspirants can participate in the Joins DBMS Quiz to know about the topic in-depth.



Joins DBMS Multiple Choice Questions

What is a Join in DBMS? Aspirants can get the answer to the question by checking the below Joins DBMS Online Test. To score high in the examinations and to answer the questions in interviews the applicants need to practice the online tests. The competitors who will practice the Joins DBMS Quiz can easily answer the questions regarding Joins at the time of exams. Without any delay, the participants need to move to the below sections of this post and take part in the Joins DBMS Mock Test. Thus, the contenders can know the Joins DBMS Interview Questions and Answers from the below online test.

Joins MCQ Quiz Answers with Solutions

In the below Joins DBMS Online Test, the aspirants can see four option to the questions. Candidates need to check the Joins DBMS Questions carefully and opt the right choice. Here the good news for the contenders is there is no negative marking and time duration to prepare the questions in the Joins DBMS Quiz. So, the students can spend their own time to practice the Joins DBMS Questions and Answers. Follow allindiaexams.in to practice more online tests and quizzes.


1. The____condition allows a general predicate over the relations being joined.
  • A. On
  • B. Using
  • C. Set
  • D. Where
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Answer & Explanation

Answer: Option A

Explanation:

On

On gives the condition for the join expression.

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2. Which of the join operations do not preserve non matched tuples.
  • A. Left outer join
  • B. Right outer join
  • C. Inner join
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Answer & Explanation

Answer: Option C

Explanation:

Inner join

INNER JOIN: Returns all rows when there is at least one match in BOTH tables

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3. What type of join is needed when you wish to include rows that do not have matching values?
  • A. Equi-join
  • B. Natural join
  • C. Outer join
  • D. All of the mentioned
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Answer & Explanation

Answer: Option C

Explanation:

Outer join

An outer join does not require each record in the two joined tables to have a matching record.

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4. How many tables may be included with a join?
  • A. One
  • B. Two
  • C. Three
  • D. All of the mentioned
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Answer & Explanation

Answer: Option D

Explanation:

All of the mentioned

Join can combine multiple tables.

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5. Which are the join types in join condition:
  • A. Cross join
  • B. Natural join
  • C. Join with USING clause
  • D. All of the mentioned
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Answer & Explanation

Answer: Option D

Explanation:

All of the mentioned

There are totally four join types in SQL.

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