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 8 of 15

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Q71.

The time it takes to insert a new data item is called ____________

Insertion time

Deletion time

Time overhead

Access time

Discuss

Answer: (a).Insertion time

Q72.

The time it takes to delete a data item is called as _________

Insertion time

Deletion time

Time overhead

Access time

Discuss

Answer: (b).Deletion time

Q73.

The additional space occupied by an index structure is called as _________

Access modes

Space types

Access time

Space overhead

Discuss

Answer: (d).Space overhead

Q74.

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

Clustering data

Cluttering index

Clustering index

Clustering number

Discuss

Answer: (b).Cluttering index

Q75.

State true or false: Clustering indices are also called as primary indices

True

False

May be

Can't say

Discuss

Answer: (a).True

Q76.

If an index entry appears for every search key value in the file, it is called as ________

Dense key

Dense index

Sparse key

Sparse index

Discuss

Answer: (b).Dense index

Q77.

If an index entry appears for only some of the search key values in the file, it is called as ________

Dense key

Dense index

Sparse key

Sparse index

Discuss

Answer: (d).Sparse index

Q78.

Indices with two or more levels are called as?

Multiple Indices

Multilevel indices

Bi- tri- Indices

None of the mentioned

Discuss

Answer: (b).Multilevel indices

Q79.

A search key containing more than one attribute is called a _________ search key

Multiple

Multilevel

Composite

Primary

Discuss

Answer: (b).Multilevel

Q80.

State true or false: B+ trees are not always balanced trees.

True

False

May be

Can't say

Discuss

Answer: (b).False

Page 8 of 15

Welcome to the Indexing and Hashing MCQs Page

Indexing and Hashing MCQs | Page 8 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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