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 12 of 15

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Q111.

Intersection of the bitmaps is done by

Logical AND

Logical OR

Logical NOT

Logical NOR

Discuss

Answer: (a).Logical AND

Q112.

What does an existence bitmap do?

It recognizes deleted records

It inserts values into empty bitmaps

It makes sure that no records are deleted

None of the mentioned

Discuss

Answer: (a).It recognizes deleted records

Q113.

The complement operation in bitmaps is done by using

Logical AND

Logical OR

Logical NOT

Logical NOR

Discuss

Answer: (c).Logical NOT

Q114.

State true or false: Bitmaps can be combined with B+ trees

True

False

May be

Can't say

Discuss

Answer: (a).True

Q115.

We create an index in SQL using _______ command

Create index

New index

Create new index

Develop index

Discuss

Answer: (a).Create index

Q116.

We delete and index in SQL using the ________ command

Remove index

Delete index

Drop index

None of the mentioned

Discuss

Answer: (c).Drop index

Q117.

State true or false: Intersection operations are extremely slow on bitmaps

True

False

May be

Can't say

Discuss

Answer: (b).False

Q118.

Which of the following operations is used for the union of bitmaps?

Logical AND

Logical OR

Logical NOT

Logical NOR

Discuss

Answer: (b).Logical OR

Q119.

In ordered indices the file containing the records is sequentially ordered, a ___________ is an index whose search key also defines the sequential order of the file.

Clustered index

Structured index

Unstructured index

Nonclustered index

Discuss

Answer: (a).Clustered index

Q120.

Indices whose search key specifies an order different from the sequential order of the file are called ___________ indices.

Nonclustered

Secondary

All of the mentioned

None of the mentioned

Discuss

Answer: (c).All of the mentioned

Page 12 of 15

Welcome to the Indexing and Hashing MCQs Page

Indexing and Hashing MCQs | Page 12 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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