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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 9 of 15

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Q81.
What is the disadvantage of locking?

a.

Does not control concurrency

b.

Is not atomic

c.

Is not durable

d.

Has a poor degree of concurrency

Discuss
Answer: (d).Has a poor degree of concurrency
Q82.
Consider money is transferred from (1)account-A to account-B and (2) account-B to account-A. Which of the following form a transaction ?

a.

Only 1

b.

Only 2

c.

Both 1 and 2 individually

d.

Either 1 or 2

Discuss
Answer: (c).Both 1 and 2 individually
Q83.
A transaction is delimited by statements (or function calls) of the form __________

a.

Begin transaction and end transaction

b.

Start transaction and stop transaction

c.

Get transaction and post transaction

d.

Read transaction and write transaction

Discuss
Answer: (a).Begin transaction and end transaction
Q84.
Identify the characteristics of transactions

a.

Atomicity

b.

Durability

c.

Isolation

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q85.
Which of the following has “all-or-none” property ?

a.

Atomicity

b.

Durability

c.

Isolation

d.

All of the mentioned

Discuss
Answer: (a).Atomicity
Q86.
The database system must take special actions to ensure that transactions operate properly without interference from concurrently executing database statements. This property is referred to as

a.

Atomicity

b.

Durability

c.

Isolation

d.

All of the mentioned

Discuss
Answer: (c).Isolation
Q87.
The property of transaction that persists all the crashes is

a.

Atomicity

b.

Durability

c.

Isolation

d.

All of the mentioned

Discuss
Answer: (b).Durability
Q88.
__________ states that only valid data will be written to the database.

a.

Consistency

b.

Atomicity

c.

Durability

d.

Isolation

Discuss
Answer: (a).Consistency
Q89.
The Oracle RDBMS uses the ____ statement to declare a new transaction start and its properties.

a.

BEGIN

b.

SET TRANSACTION

c.

BEGIN TRANSACTION

d.

COMMIT

Discuss
Answer: (b).SET TRANSACTION
Q90.
____ means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

a.

Consistency

b.

Atomicity

c.

Durability

d.

Isolation

Discuss
Answer: (d).Isolation
Page 9 of 15

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