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Welcome to the Data Storage and Querying MCQs Page

Dive deep into the fascinating world of Data Storage and Querying with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Storage and Querying, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Storage and Querying, 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 Data Storage and Querying. 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 Data Storage and Querying. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Storage and Querying MCQs | Page 8 of 21

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Q71.
The concept which checks the syntax of query whether is written according to the rules of grammar is classified as

a.

query graph

b.

query tree

c.

scanner

d.

parser

Discuss
Answer: (d).parser
Q72.
The processor used to run the code of the queries of interpreted mode or compiled mode is classified as

a.

runtime database processor

b.

query optimization processor

c.

parser runtime processor

d.

query graphic processor

Discuss
Answer: (a).runtime database processor
Q73.
The procedure of sorting the algorithms for larger records that does not fit in the main memory and are stored on disk is classified as

a.

parser sorting

b.

external sorting

c.

internal sorting

d.

secondary sorting

Discuss
Answer: (b).external sorting
Q74.
The files from which algorithms are selected for records are called

a.

scan files

b.

spanned files

c.

non dense files

d.

indexed files

Discuss
Answer: (a).scan files
Q75.
The procedure of choosing a suitable query out of all the queries is classified as

a.

query optimization

b.

parser optimization

c.

processing optimization

d.

all of above

Discuss
Answer: (d).all of above
Q76.
The representation of the query in the form of data structure is classified as

a.

query graph

b.

query tree

c.

scanner tree

d.

parser tree

Discuss
Answer: (b).query tree
Q77.
The representation of the queries in the form of data structure graph is classified as

a.

scanner tree

b.

parser tree

c.

query graph

d.

query tree

Discuss
Answer: (c).query graph
Q78.
In sort merge strategy, the small sub files sorted are called

a.

runs

b.

folders

c.

blocks

d.

indexes

Discuss
Answer: (a).runs
Q79.
Which of the following are steps in query processing?

a.

Parsing and translation

b.

Optimization

c.

Evaluation

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q80.
A relational algebra operation annotated with instructions on how to evaluate it is called _______

a.

Evaluation algebra

b.

Evaluation plan

c.

Evaluation primitive

d.

Evaluation engine

Discuss
Answer: (c).Evaluation primitive
Page 8 of 21

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