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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.

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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

a.

Hash file organization

b.

Hash index organization

c.

Hashing address

d.

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

a.

Hash file organization

b.

Hash index organization

c.

Hashing address

d.

None of the mentioned

Discuss
Answer: (b).Hash index organization
Q93.
What is a bucket overflow?

a.

When a bucket does not have enough space

b.

There are insufficient buckets

c.

When Bucket skew occurs

d.

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 ________

a.

Bucket sufficiency

b.

Bucket insufficiency

c.

Bucket skew

d.

Bucket normalcy

Discuss
Answer: (c).Bucket skew
Q95.
Overflow handling using a linked list of buckets is called as ____________

a.

Bucket chaining

b.

Overflow chaining

c.

Bucket linking

d.

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

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q97.
Which of the following is the worst hash function among the given choices

a.

The sum of the digits modulo 8

b.

The sum of the digits modulo 2

c.

The sum of the digits modulo 5

d.

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

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q99.
Dynamic hashing allows us to?

a.

Accommodate the growth of the database

b.

Accommodate the shrinkage of the database

c.

Allows modification of hash function

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q100.
Dynamic hashing is also called as _________

a.

Extended hashing

b.

Extendable hashing

c.

Static hashing

d.

Movable hashing

Discuss
Answer: (b).Extendable hashing
Page 10 of 15

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