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Backward recovery is which of the following?

Where the before-images are applied to the database
Where the after-images are applied to the database
Where the after-images and before-images are applied to the database
Switching to an existing copy of the database

Correct Answer: Where the before-images are applied to the database

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More Questions from Data and Database Administration

Backward recovery is used to reverse the changes made by transactions that have aborted, or terminated abnormally.
Incorrect data is easy to detect.
Databases are not the property of a single function or individual within the organization.
With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.
Information repositories are replacing data dictionaries in many organizations.
Queries that do full table scans should be avoided.
Mirrored databases are almost always provided in high-availability systems.
Authorization tables contain highly sensitive data and should be protected by stringent security rules.
The restore/rerun technique involves reprocessing the day's transactions up to the point of failure.
To build a data warehouse and develop business intelligence applications, it is important that an organization build and maintain a comprehensive repository.

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