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Welcome to the Concurrency Control MCQs Page

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

Concurrency Control MCQs | Page 2 of 15

Explore more Topics under DBMS

Q11.
Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
Discuss
Answer: (b).Read uncommitted
Q12.
Which of the following locks the item from access of any type?
Discuss
Answer: (c).Exclusive lock
Q13.
The size of a lock is called:
Discuss
Answer: (b).lock granularity
Q14.
A cursor type in which the application sees the data as they were at the time the cursor was opened is called:
Discuss
Answer: (b).static
Q15.

Locks placed by the DBMS are called ________ .
Discuss
Answer: (a).implicit locks
Q16.
If an transaction is performed in a database and committed, the changes are taken to the previous state of transaction by
Discuss
Answer: (d).Cannot be done
Q17.
When the transaction finishes the final statement the transaction enters into
Discuss
Answer: (c).Partially committed state
Q18.
Which of the following is an atomic sequence of database actions?
Discuss
Answer: (a).Transaction
Q19.
DBMS periodically suspends all processing and synchronizes its files and journals through the use of
Discuss
Answer: (a).Checkpoint facility
Discuss
Answer: (a).Two concurrent activities interact to cause a processing error

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