Welcome to the Indexing and Hashing MCQs Page

Dive deep into the fascinating world of Indexing and Hashing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Indexing and Hashing, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Indexing and Hashing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

Check out the MCQs below to embark on an enriching journey through Indexing and Hashing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Indexing and Hashing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Indexing and Hashing MCQs | Page 1 of 15

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Q1.

What is the purpose of index in sql server

To enhance the query performance

To provide an index to a record

To perform fast searches

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q2.

How many types of indexes are there in sql server?

Discuss

Answer: (b).2

Q3.

How non clustered index point to the data?

It never points to anything

It points to a data row

It is used for pointing data rows containing key values

None of the mentioned

Discuss

Answer: (c).It is used for pointing data rows containing key values

Q4.

Which one is true about clustered index?

Clustered index is not associated with table

Clustered index is built by default on unique key columns

Clustered index is not built on unique key columns

None of the mentioned

Discuss

Answer: (b).Clustered index is built by default on unique key columns

Q5.

What is true about indexes?

Indexes enhance the performance even if the table is updated frequently

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

It doesn’t make harder for sql server engines to work to work on index which have large keys

None of the mentioned

Discuss

Answer: (b).It makes harder for sql server engines to work to work on index which have large keys

Q6.

Does index take space in the disk ?

It stores memory as and when required

Yes, Indexes are stored on disk

Indexes are never stored on disk

Indexes take no space

Discuss

Answer: (b).Yes, Indexes are stored on disk

Q7.

What are composite indexes ?

Are those which are composed by database for its internal use

A composite index is a combination of index on 2 or more columns

Composite index can never be created

None of the mentioned

Discuss

Answer: (b).A composite index is a combination of index on 2 or more columns

Q8.

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

Clustered

Column store

Non clustered

Row store

Discuss

Answer: (b).Column store

Q9.

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

Clustered

Non Clustered

Covering

B-Tree

Discuss

Answer: (c).Covering

Q10.

A(n) _________ can be used to preserve the integrity of a document or a message.

Message digest

Message summary

Encrypted message

None of the mentioned

Discuss

Answer: (c).Encrypted message

Page 1 of 15

Welcome to the Indexing and Hashing MCQs Page

Indexing and Hashing MCQs | Page 1 of 15

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Relational Algebra

Normalization

Storage and File Structures

Transactions

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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