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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 1 of 15

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Q1.
With regards to transaction processing, any DBMS should be capable of:

a.

Ensuring that transactions are free from interference from other users.

b.

Parts of a transaction are not lost due to a failure.

c.

Transactions do not make the database inconsistent.

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q2.
What is ACID properties of Transactions?

a.

Atomicity, Consistency, Isolation, Database

b.

Atomicity, Consistency, Isolation, Durability

c.

Atomicity, Consistency, Inconsistent, Durability

d.

Automatically, Concurrency, Isolation, Durability

Discuss
Answer: (b).Atomicity, Consistency, Isolation, Durability
Q3.
Database locking concept is used to solve the problem of

a.

Lost Update

b.

Uncommitted Dependency

c.

Inconsistent Data

d.

All of the above

Discuss
Answer: (d).All of the above
Q4.
A lock that allows concurrent transactions to access different rows of the same table is known as a

a.

Field-level lock

b.

Row-level lock

c.

Table-level lock

d.

Database-level lock

Discuss
Answer: (a).Field-level lock
Q5.
A transaction completes its execution is said to be

a.

Saved

b.

Loaded

c.

Rolled

d.

Committed

Discuss
Answer: (d).Committed
Q6.
A system is in a ______ state if there exists a set of transactions such that every transaction in the set is waiting for another transaction in the set.

a.

Idle

b.

Waiting

c.

Deadlock

d.

Ready

Discuss
Answer: (c).Deadlock
Q7.
The deadlock state can be changed back to stable state by using _____________ statement.

a.

Commit

b.

Rollback

c.

Savepoint

d.

Deadlock

Discuss
Answer: (b).Rollback
Q8.
What are the ways of dealing with deadlock ?

a.

Deadlock prevention

b.

Deadlock recovery

c.

Deadlock detection

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q9.
When transaction Ti requests a data item currently held by Tj , Ti is allowed to wait only if it has a timestamp smaller than that of Tj (that is, Ti is older than Tj ). Otherwise, Ti is rolled back (dies). This is

a.

Wait-die

b.

Wait-wound

c.

Wound-wait

d.

Wait

Discuss
Answer: (a).Wait-die
Q10.
When transaction Ti requests a data item currently held by Tj , Ti is allowed to wait only if it has a timestamp larger than that of Tj (that is, Ti is younger than Tj ). Otherwise, Tj is rolled back (Tj is wounded by Ti ). This is

a.

Wait-die

b.

Wait-wound

c.

Wound-wait

d.

Wait

Discuss
Answer: (c).Wound-wait
Page 1 of 15

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