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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 6 of 15

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Q51.
State true or false: Information residing in the volatile storage does not usually survive system crashes

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q52.
A transaction that has not been completed successfully is called as _______

a.

Compensating transaction

b.

Aborted transaction

c.

Active transaction

d.

Partially committed transaction

Discuss
Answer: (b).Aborted transaction
Q53.
Which of the following is not a transaction state?

a.

Active

b.

Partially committed

c.

Failed

d.

Compensated

Discuss
Answer: (d).Compensated
Q54.
The execution sequences in concurrency control are termed as ________

a.

Serials

b.

Schedules

c.

Organizations

d.

Time tables

Discuss
Answer: (b).Schedules
Q55.
The scheme that controls the interaction between executing transactions is called as _____

a.

Concurrency control scheme

b.

Multiprogramming scheme

c.

Serialization scheme

d.

Schedule scheme

Discuss
Answer: (a).Concurrency control scheme
Q56.
I and J are _________ if they are operations by different transactions on the same data item, and at least one of them is a write operation.

a.

Conflicting

b.

Overwriting

c.

Isolated

d.

Durable

Discuss
Answer: (a).Conflicting
Q57.
If a schedule S can be transformed into a schedule S’ by a series of swaps of non-conflicting instructions, then S and S’ are

a.

Non conflict equivalent

b.

Equal

c.

Conflict equivalent

d.

Isolation equivalent

Discuss
Answer: (c).Conflict equivalent
Q58.
A schedule is __________ if it is conflict equivalent to a serial schedule.

a.

Conflict serializable

b.

Conflicting

c.

Non serializable

d.

None of the mentioned

Discuss
Answer: (a).Conflict serializable
Q59.
The set of ________ in a precedence graph consists of all the transactions participating in the schedule

a.

Vertices

b.

Edges

c.

Directions

d.

None of the mentioned

Discuss
Answer: (a).Vertices
Q60.
A ___________of the transactions can be obtained by finding a linear order consistent with the partial order of the precedence graph.

a.

Serializability order

b.

Direction graph

c.

Precedence graph

d.

Scheduling scheme

Discuss
Answer: (a).Serializability order
Page 6 of 15

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