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Welcome to the Transactions MCQs Page

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

Transactions MCQs | Page 7 of 15

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Q61.
State true or false: If I = read(Q) and J = read(Q) then the order of I and J does not matter.
Discuss
Answer: (a).True
Q62.
State true or false: If I = read(Q) and J = write(Q) then the order of I and J does not matter.
Discuss
Answer: (b).False
Q63.
Which of the following is the most expensive method?
Discuss
Answer: (c).Predicate locking
Q64.
A transaction that performs only one operation is called as a _________
Discuss
Answer: (a).Partial schedule
Q65.
The phenomenon in which one failure leads to a series of transaction rollbacks is called as ________
Discuss
Answer: (a).Cascading rollback
Q66.
State true or false: Every cascadeless schedule is also recoverable
Discuss
Answer: (a).True
Q67.
A ___________ is one where, for each pair of transactions Ti and Tj such that Tj reads a data item previously written by Ti , the commit operation of Ti appears before the commit operation of Tj
Discuss
Answer: (c).Recoverable schedule
Q68.
State true or false: Transactions can only run serially
Discuss
Answer: (b).False
Q69.
Which of the following are the advantages of transaction concurrency?
Discuss
Answer: (d).All of the mentioned
Q70.
The average time for a transaction to be completed after it has been submitted is called as __________
Discuss
Answer: (b).Average response time

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