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Indexes DBMS Questions And Answers

Here you can find Indexes DBMS Questions and Answers.

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

1. What is the purpose of index in sql server

Indexes DBMS Questions and Answers

2. How many types of Indexes DBMS are there in sql server?

Indexes DBMS Questions and Answers

3. How non clustered index point to the data?

Indexes DBMS Questions and Answers

4. Which one is true about clustered index?

Indexes DBMS Questions and Answers

5. What is true about Indexes DBMS?

Indexes DBMS Questions and Answers

6. Does index take space in the disk ?

Indexes DBMS Questions and Answers

7. What are composite Indexes DBMS ?

Indexes DBMS Questions and Answers

8. If an index is _________________ the metadata and statistics continue to exists

Indexes DBMS Questions and Answers

9. In _______________ index instead of storing all the columns for a record together, each column is stored separately with all other rows in an index.

Indexes DBMS Questions and Answers

10. A _________________ index is the one which satisfies all the columns requested in the query without performing further lookup into the clustered index.

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Indexes - DBMS Questions and Answers

This is the DBMS questions and answers section on "Indexes" 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. In this article, we have covered all about Indexes DBMS Questions and answered the questions that might be asked during an interview and examinations. The applicants can check the multiple choice questions related to the Indexes in DBMS with the help of this page. Aspirants who are interested to know about the topic can take part in the Indexes DBMS Online Test. By covering all the topics, we have arranged the Indexes DBMS MCQ Quiz for the sake of contenders. Hence, all the candidates need to practice the Indexes DBMS Mock Test and know the various types of questions and answers.



Indexes DBMS Questions - Indexes DBMS Quiz Details

Online Test Name Indexes
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 10


We know that data is stored in the form of records. Each record has a key field, which helps it to be recognized uniquely. Indexing is a data structure technique used efficiently to retrieve records from the database files based on some attributes on which the indexing has been done. Thus, the applicants need to know the basic concepts of the Indexes in DBMS. By practicing the questions in the Indexes DBMS Quiz, the contenders can understand all the topics of it. Therefore, the competitors need to practice the Indexes DBMS Online Test and learn the different questions along with the answers.



Indexes DBMS Multiple Choice Questions

Are you searching for the Indexes DBMS Multiple Choice Questions? If your answer is yes, then refer to this post without fail. We have provided the Indexes DBMS Quiz in the below sections which includes the objective type questions. So, the contenders can check and know all the questions regarding Indexes in DBMS. Aspirants can gather all the variety of questions by checking the Indexes DBMS Online Test. Competitors can visit Allindiaexams.in to practice more online tests and quizzes. On our web portal, we have arranged many more online tests for the sake of candidates.

Indexes MCQ Quiz Answers with Solutions

For the Indexes DBMS Questions, the candidates can check the immediate answers. Click on the View Answer button to know the right option for the question along the given alternatives. In addition to this, the applicants can use the workspace provided to do the rough calculations. If the contenders mark the right option, then it will turn to green in color. Hence, all the students need to know the answers along with the explanation in the Indexes DBMS Online Test.


1. What is the purpose of index in sql server
  • A. To enhance the query performance
  • B. To provide an index to a record
  • C. To perform fast searches
  • D. All of the mentioned
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Answer & Explanation

Answer: Option D

Explanation:

All of the mentioned

A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of additional writes.

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2. How many types of indexes are there in sql server?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
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Answer & Explanation

Answer: Option B

Explanation:

2

They are clustered index and non clustered index.

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3. How non clustered index point to the data?
  • A. It never points to anything
  • B. It points to a data row
  • C. It is used for pointing data rows containing key values
  • D. None of the mentioned
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Answer & Explanation

Answer: Option C

Explanation:

It is used for pointing data rows containing key values

Nonclustered indexes have a structure separate from the data rows. A nonclustered index contains the nonclustered index key values and each key value entry has a pointer to the data row that contains the key value.

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4. Which one is true about clustered index?
  • A. Clustered index is not associated with table
  • B. Clustered index is built by default on unique key columns
  • C. Clustered index is not built on unique key columns
  • D. None of the mentioned
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Answer & Explanation

Answer: Option B

Explanation:

Clustered index is built by default on unique key columns

Nonclustered indexes have a structure separate from the data rows. A nonclustered index contains the nonclustered index key values and each key value entry has a pointer to the data row that contains the key value.

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5. What is true about indexes?
  • A. Indexes enhance the performance even if the table is updated frequently
  • B. It makes harder for sql server engines to work to work on index which have large keys
  • C. It doesn’t make harder for sql server engines to work to work on index which have large keys
  • D. None of the mentioned
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Answer & Explanation

Answer: Option B

Explanation:

It makes harder for sql server engines to work to work on index which have large keys

Indexes tend to improve the performance.

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