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Welcome to the Recovery System MCQs Page

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

Recovery System MCQs | Page 10 of 10

Explore more Topics under DBMS

Q91.
An operation is said to be __________ if executing it several times in a row gives the same result as executing it once.

a.

Idempotent

b.

Changed

c.

Repetitive

d.

All of the above

Discuss
Answer: (a).Idempotent
Q92.
Immediate database modification technique uses

a.

Both undo and redo

b.

Undo but no redo

c.

Redo but no undo

d.

Neither undo nor redo

Discuss
Answer: (a).Both undo and redo
Q93.
Shadow paging has

a.

no redo

b.

no undo

c.

redo but no undo

d.

neither redo nor undo

Discuss
Answer: (a).no redo
Q94.
For correct behavior during recovery, undo and redo operation must be

a.

Commutative

b.

Associative

c.

Idempotent

d.

Distributive

Discuss
Answer: (c).Idempotent
Q95.
If ___________ are not obtained in undo operation it will cause problem in undo-phase.

a.

Higher-level lock

b.

Lower-level lock

c.

Read only lock

d.

Read write

Discuss
Answer: (b).Lower-level lock
Page 10 of 10

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