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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 10 of 21

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Q91.
If the system makes repeated requests for tuples from the operation at the top of the table, it is called as _________

a.

Demand driven pipeline

b.

Producer driven pipeline

c.

Query driven pipeline

d.

None of the mentioned

Discuss
Answer: (a).Demand driven pipeline
Q92.
If the operations do not wait to produce tuples, then it is called as _________

a.

Demand driven pipeline

b.

Producer driven pipeline

c.

Query driven pipeline

d.

None of the mentioned

Discuss
Answer: (b).Producer driven pipeline
Q93.
State true or false: Sorting is an inherently blocking operation

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q94.
State true or false: Join is an inherently blocking operation

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q95.
Which of the following techniques does not exist?

a.

Pipelined join technique

b.

Left pipelined join technique

c.

Right pipelined join technique

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q96.
State true or false: Hybrid hash join is partially pipelined on the probe relation

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q97.
The usage of two buffers, with one continuing execution of the algorithm while the other is written is called as __________

a.

Double execution

b.

Multi tasking

c.

Double buffering

d.

Double algorithm

Discuss
Answer: (c).Double buffering
Q98.
Which of the following functions does an iterator not provide

a.

Open()

b.

Next()

c.

Close()

d.

Wait()

Discuss
Answer: (d).Wait()
Q99.
If on every legal database instant, the two expressions generate the same set of tuples, the expressions are called as

a.

Equal

b.

Equivalent

c.

Similar

d.

Identical

Discuss
Answer: (b).Equivalent
Q100.
State true or false: Selection operations are commutative

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Page 10 of 21

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