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.

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.

True

False

May be

Can't say

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.

True

False

May be

Can't say

Discuss

Answer: (b).False

Q63.

Which of the following is the most expensive method?

Timestamping

Plain locking

Predicate locking

Snapshot isolation

Discuss

Answer: (c).Predicate locking

Q64.

A transaction that performs only one operation is called as a _________

Partial schedule

Complete schedule

Dependent schedule

Independent schedule

Discuss

Answer: (a).Partial schedule

Q65.

The phenomenon in which one failure leads to a series of transaction rollbacks is called as ________

Cascading rollback

Cascadeless rollback

Cascade cause

None of the mentioned

Discuss

Answer: (a).Cascading rollback

Q66.

State true or false: Every cascadeless schedule is also recoverable

True

False

May be

Can't say

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

Partial schedule

Dependent schedule

Recoverable schedule

None of the mentioned

Discuss

Answer: (c).Recoverable schedule

Q68.

State true or false: Transactions can only run serially

True

False

May be

Can't say

Discuss

Answer: (b).False

Q69.

Which of the following are the advantages of transaction concurrency?

Increased throughput

Increased utilization

Reduces average response time

All of the mentioned

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 __________

Minimum response time

Average response time

Average reaction time

Minimum reaction time

Discuss

Answer: (b).Average response time

Page 7 of 15

Welcome to the Transactions MCQs Page

Transactions MCQs | Page 7 of 15

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Relational Algebra

Normalization

Storage and File Structures

Indexing and Hashing

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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