Views DBMS Questions and Answers

Views - DBMS Questions and Answers

This is the DBMS questions and answers section on "Views" 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. Below are the frequently asked Views DBMS Interview Questions and Answers which can make the contenders get high in the Database Management skills. The applicants can take part in the Views DBMS Online Test and know the various questions and answers. At the last of this post, students can find the Views DBMS Quiz to practice and to learn the questions along with the explanations. The competitors can scroll down the page and participate in the Views DBMS Mock Test to know the objective type questions that are asked in the previous examinations. For the sake of participants, we have gathered the multiple choice questions of the Views in Database Management System on this page.

Views DBMS Questions - Views DBMS Quiz Details

Online Test Name	Views
Exam Type	Multiple Choice Questions
Category	Computer Science Engineering Quiz
Number of Questions	06

In Structured Query Language, a view is a virtual table based on the result action of an SQL statement. A view contains the rows and columns, just like a real table in DBMS. The fields in a view are fields from one or more actual tables in the database. With the help of the provided points, the applicants can get an overview of the Views in the DBMS. To get more in-depth information the students can check the below-provided Views DBMS Online Test. In the above tabular format, we have arranged the particulars of the Views DBMS Quiz like Online Test Name, Exam Type, and the Number of Questions. So, all the contenders can verify and take part in the quiz to learn the Views DBMS Questions and Answers.

Views DBMS Multiple Choice Questions

Have you prepared yourself to face Views DBMS Questions? Contenders can find the Views DBMS Multiple Choice Questions from the below portions of this article. All the competitors can follow the given rules and take part in the Views DBMS Online Test. With the help of this post, the students can know how to answer the questions at the time of the examination. The provided questions in the Views DBMS Quiz are repeated in the interviews and the various entrance tests. Hence, the contenders need to prepare for the exams with the help of our home portal.

Views MCQ Quiz Answers with Solutions

Immediate answers to the Views DBMS Questions will display on this page. And, the candidates need not to pay any fee and need not provide any login details to practice the questions in the Views DBMS Online Test. Use the "View Answer" button to get the right choice along with the explanation. Visit Allindiaexams.in to check more updates related to the quizzes and online tests.

1. Which of the following creates a virtual relation for storing the query ?

A. Function
B. View
C. Procedure
D. None of the mentioned

Answer & Explanation

Answer: Option B

Explanation:

View

Any such relation that is not part of the logical model, but is made visible to a user as a virtual relation, is called a view.

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2. Which of the following is the syntax for views where v is view name ?

A. Create view v as “query name”;
B. Create “query expression” as view;
C. Create view v as “query expression”;
D. Create view “query expression”;

Answer & Explanation

Answer: Option C

Explanation:

Create view v as “query expression”;

is any legal query expression. The view name is represented by v

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3. Materialised views make sure that

A. View definition is kept stable
B. View definition is kept up-to-date
C. View definition is verified for error
D. View is deleted after specified time

Answer & Explanation

Answer: Option B

Explanation:

View definition is kept up-to-date

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4. Updating the value of the view

A. Will affect the relation from which it is defined
B. Will not change the view definition
C. Will not affect the relation from which it is defined
D. Cannot determine

Answer & Explanation

Answer: Option A

Explanation:

Will affect the relation from which it is defined

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5. SQL view is said to be updatable (that is, inserts, updates or deletes can be applied on the view) if which of the following conditions are satisfied by the query defining the view?

A. The from clause has only one database relation.
B. The query does not have a group by or having clause.
C. The select clause contains only attribute names of the relation, and does not have any expressions, aggregates, or distinct specification.
D. All of the mentioned

Answer & Explanation

Answer: Option D

Explanation:

All of the mentioned

All of the conditions must be satisfied to update the view in sql.