When Incorrect Data Have Been Introduced,the Database Is Best Recovered

question 26

Multiple Choice

When incorrect data have been introduced,the database is best recovered by:

• A) backward recovery, if the error has been discovered soon enough.
• B) human intervention for only a few errors.
• C) restarting from the most recent checkpoint and processing subsequent transactions.
• D) all of the above.

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Definitions:

Architectural Standards

Guidelines and norms that dictate the quality, safety, and aesthetics of building designs and constructions.

Theoretical Approach

A framework of concepts and ideas used to explain and analyze a phenomenon or solve a problem.

Social Reforms

Deliberate efforts or movements aimed at changing societal structures or practices to improve conditions.

Sensible

Characterized by or exhibiting good sense or sound judgment; practical and reasonable.