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 8 of 15

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SQL Queries,Constraints and Triggers

Q71.

If a schedule is equivalent to a serial schedule, it is called as a _________

Serializable schedule

Equivalent schedule

Committed schedule

None of the mentioned

Discuss

Answer: (a).Serializable schedule

Q72.

Which of the following is not a type of a schedule?

Partial schedule

Dependent schedule

Recoverable schedule

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q73.

Which of the following is a transaction isolation level as specified by SQL standard?

Serializable

Repeatable read

Read committed

All of the mentioned

Discuss

Answer: (a).Serializable

Q74.

State true or false: Serializable level may allow both serializable and non-serializable executions

True

False

May be

Can't say

Discuss

Answer: (a).True

Q75.

________ allows only committed data to be read and further requires that no other transaction is allowed to update it between two reads of a data item by a transaction.

Read uncommitted

Serializable

Repeatable read

Read committed

Discuss

Answer: (c).Repeatable read

Q76.

________ allows only committed data to be read, but does not require repeatable reads

Read uncommitted

Serializable

Repeatable read

Read committed

Discuss

Answer: (d).Read committed

Q77.

___________ allows uncommitted data to be read

Read uncommitted

Serializable

Repeatable read

Read committed

Discuss

Answer: (a).Read uncommitted

Q78.

State true or false: All the isolation levels disallow dirty writes

True

False

May be

Can't say

Discuss

Answer: (a).True

Q79.

When is a timestamp allotted

When execution begins

When execution is taking place

When execution is completed

None of the mentioned

Discuss

Answer: (a).When execution begins

Q80.

In ___________ isolation each transaction is given its own version of the database

Timestamp

Snapshot

Lock based

All of the mentioned

Discuss

Answer: (b).Snapshot

Page 8 of 15

Welcome to the Transactions MCQs Page

Transactions MCQs | Page 8 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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