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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 9 of 15

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Q81.
What are the leaf nodes in a B+ tree?

a.

The topmost nodes

b.

The bottommost nodes

c.

The nodes in between the top and bottom nodes

d.

None of the mentioned

Discuss
Answer: (b).The bottommost nodes
Q82.
Non-leaf nodes are also called as __________

a.

Internal nodes

b.

External nodes

c.

Middle nodes

d.

Primary nodes

Discuss
Answer: (a).Internal nodes
Q83.
The queries used to find all records with search key values in a particular range are known as ________

a.

Gap queries

b.

Graph queries

c.

Range queries

d.

None of the mentioned

Discuss
Answer: (c).Range queries
Q84.
Statement 1: Insertion of record might require the change in position of the initial nodes.
Statement 2: Deletion of records might require the change in position of the initial nodes.

a.

Both the statements are true

b.

Statement 1 is true but statement 2 is false

c.

Statement 2 is true but statement 1 is false

d.

Both the statements are false

Discuss
Answer: (a).Both the statements are true
Q85.
If a relation can have more than one record containing the same search key value, the search key is said to be a __________

a.

Unique search key

b.

Non unique search key

c.

Multiple search key

d.

Identical search key

Discuss
Answer: (b).Non unique search key
Q86.
State true or false: The fanout of nodes can be increased by using a technique called _________

a.

Prefix compression

b.

Postfix compression

c.

Prefix expansion

d.

Postfix expansion

Discuss
Answer: (a).Prefix compression
Q87.
Insertion of a large number of entries at a time into an index is referred to as _______ of the index.

a.

Bulk loading

b.

Mass insertion

c.

Quick insertion

d.

Quick loading

Discuss
Answer: (a).Bulk loading
Q88.
___________ are the indices that store the values of some attributes along with the pointers to the record.

a.

Binary indices

b.

Covering indices

c.

Key indices

d.

Static indices

Discuss
Answer: (b).Covering indices
Q89.
The term ______ is used to denote a unit of storage that can store one or more records

a.

Basket

b.

Bucket

c.

Unit

d.

Set

Discuss
Answer: (b).Bucket
Q90.
If K denotes the set of all the search key values, and B denotes the set of all bucket addresses, a function from K to B is called as __________

a.

Bucket function

b.

Address function

c.

Hash function

d.

Search function

Discuss
Answer: (c).Hash function
Page 9 of 15

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