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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 4 of 15

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Q31.
Locking may cause which of the following problems?

a.

Erroneous updates

b.

Deadlock

c.

Versioning

d.

All of the above.

Discuss
Answer: (b).Deadlock
Q32.
Performance analysis and tuning is which of the following?

a.

Undertaken one time at the time of a DBMS installation

b.

Undertaken one time at the time of the implementation of a new application

c.

Undertaken as an ongoing part of the backup of a database

d.

Undertaken as an ongoing part of managing a database

Discuss
Answer: (d).Undertaken as an ongoing part of managing a database
Q33.
Which of the following could cause data to be unavailable?

a.

Data becoming lost or inaccurate

b.

The database server

c.

Planned database maintenance activities

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q34.
The transaction log includes which of the following?

a.

The before-image of a record

b.

The after-image of a record

c.

The before and after-image of a record

d.

The essential data of the record

Discuss
Answer: (d).The essential data of the record
Q35.
Which of the following is part of an administrative policy to secure a database?

a.

Authentication policies

b.

Limiting particular areas within a building to only authorized people

c.

Ensure appropriate responses rates are in external maintenance agreements

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q36.
If both data and database administration exist in an organization, the database administrator is responsible for which of the following?

a.

Data modeling

b.

Database design

c.

Metadata

d.

All of the above.

Discuss
Answer: (b).Database design
Q37.
Which of the following is true concerning open-source DBMS?

a.

Is free or nearly free database software whose source code is publicly available

b.

Is free or nearly free database software whose source code is not publicly available

c.

Is not competitive against PC-oriented packages and is fully SQL compliant

d.

Is competitive against PC-oriented packages and is not fully SQL compliant

Discuss
Answer: (a).Is free or nearly free database software whose source code is publicly available
Q38.
A data warehouse administrator is concerned with which of the following?

a.

The time to make a decision but not the typical roles of a database administrator

b.

The time to make a decision and the typical roles of a database administrator

c.

The typical roles of a data administrator and redesigning existing applications

d.

The typical roles of a database administrator and redesigning existing applications

Discuss
Answer: (b).The time to make a decision and the typical roles of a database administrator
Q39.
Poor data administration can lead to which of the following?

a.

A single definition of the same data entity

b.

Familiarity with existing data

c.

Missing data elements

d.

All of the above.

Discuss
Answer: (c).Missing data elements
Q40.
Backward recovery is which of the following?

a.

Where the before-images are applied to the database

b.

Where the after-images are applied to the database

c.

Where the after-images and before-images are applied to the database

d.

Switching to an existing copy of the database

Discuss
Answer: (a).Where the before-images are applied to the database
Page 4 of 15

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