adplus-dvertising

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.

frame-decoration

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 17 of 21

Explore more Topics under DBMS

Q161.
Which product is returned in a join query have no join condition:

a.

Equijoins

b.

Cartesian

c.

Both Equijoins and Cartesian

d.

None of the mentioned

Discuss
Answer: (b).Cartesian
Q162.
Which is a join condition contains an equality operator:

a.

Equijoins

b.

Cartesian

c.

Both Equijoins and Cartesian

d.

None of the mentioned

Discuss
Answer: (a).Equijoins
Q163.
Which join refers to join records from the write table that have no matching key in the left table are include in the result set:

a.

Left outer join

b.

Right outer join

c.

Full outer join

d.

Half outer join

Discuss
Answer: (b).Right outer join
Q164.
Which operation are allowed in a join view:

a.

UPDATE

b.

INSERT

c.

DELETE

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q165.
Which view that contains more than one table in the top-level FROM clause of the SELECT statement:

a.

Join view

b.

Datable join view

c.

Updatable join view

d.

All of the mentioned

Discuss
Answer: (c).Updatable join view
Q166.
Pictorial representation of an expression is called

a.

Expression tree

b.

Operator tree

c.

Expression flow

d.

Expression chart

Discuss
Answer: (b).Operator tree
Q167.
The results of each intermediate operation are created and then are used for evaluation of the next-level operations. This is called

a.

Materialized evaluation

b.

Expression evaluation

c.

Tree evaluation

d.

Tree materialization

Discuss
Answer: (a).Materialized evaluation
Q168.
______________ allows the algorithm to execute more quickly by performing CPU activity in parallel with I/O activity.

a.

Buffering

b.

Double buffering

c.

Multiple buffering

d.

Double reading

Discuss
Answer: (a).Buffering
Q169.
Pipelines can be executed in

a.

4

b.

3

c.

2

d.

5

Discuss
Answer: (c).2
Q170.
In a _________ the system makes repeated requests for tuples from the operation at the top of the pipeline.

a.

Demand-driven pipeline

b.

Producer-driven pipeline

c.

Demand pipeline

d.

All of the mentioned

Discuss
Answer: (a).Demand-driven pipeline
Page 17 of 21

Suggested Topics

Are you eager to expand your knowledge beyond DBMS? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Artificial Intelligence

Get started on the path to the future with our Artificial Intelligence MCQs. Covering...

DBMS

Get a firm grasp on database systems with our DBMS MCQs. Explore relational...

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...

Cyber Security

Understand the fundamentals of safeguarding digital assets with our Cyber Security...

Data Structures and Algorithms

Journey through the fundamentals of Data Structures and Algorithms with our extensive...

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...

R Programming

Unleash the power of statistical computing with our R Programming MCQs. Topics cover...

Digital Logic Design

Understand the foundation of digital computers with our Digital Logic Design MCQs....

Cryptography and Network Security

Secure your knowledge of information security with our Cryptography and Network...