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 10 of 15

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Q91.

In a __________ , we obtain the address of the disk block containing a desired record directly by computing a function on the search key value of the record

Hash file organization

Hash index organization

Hashing address

None of the mentioned

Discuss

Answer: (a).Hash file organization

Q92.

In a __________ we organize the search keys, with their associated pointers, into a hash file structure

Hash file organization

Hash index organization

Hashing address

None of the mentioned

Discuss

Answer: (b).Hash index organization

Q93.

What is a bucket overflow?

When a bucket does not have enough space

There are insufficient buckets

When Bucket skew occurs

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q94.

Some buckets are assigned more records than the others which causes bucket overflow, this condition is called as ________

Bucket sufficiency

Bucket insufficiency

Bucket skew

Bucket normalcy

Discuss

Answer: (c).Bucket skew

Q95.

Overflow handling using a linked list of buckets is called as ____________

Bucket chaining

Overflow chaining

Bucket linking

Overflow linking

Discuss

Answer: (b).Overflow chaining

Q96.

State true or false: A hash index organizes the search keys, with their associated pointers, into a hash file structure

True

False

May be

Can't say

Discuss

Answer: (a).True

Q97.

Which of the following is the worst hash function among the given choices

The sum of the digits modulo 8

The sum of the digits modulo 2

The sum of the digits modulo 5

The sum of the digits

Discuss

Answer: (d).The sum of the digits

Q98.

State true or false: Hash indices are only primary index structures

True

False

May be

Can't say

Discuss

Answer: (a).True

Q99.

Dynamic hashing allows us to?

Accommodate the growth of the database

Accommodate the shrinkage of the database

Allows modification of hash function

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q100.

Dynamic hashing is also called as _________

Extended hashing

Extendable hashing

Static hashing

Movable hashing

Discuss

Answer: (b).Extendable hashing

Page 10 of 15

Welcome to the Indexing and Hashing MCQs Page

Indexing and Hashing MCQs | Page 10 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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