In Which Procedure Does the DBMS Read the Log for the Problem

question 41

Multiple Choice

In which procedure does the DBMS read the log for the problem transactions and apply the before images to undo their updates?

• A) concurrent update
• B) backward recovery
• C) authentication
• D) batch processing

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Definitions:

Critical Value Approach

A method in hypothesis testing that involves comparing the test statistic to a threshold or critical value to decide whether to reject the null hypothesis.

Accidents Reported

Accidents Reported refers to the recording of incidents that have led to injuries or damage, which are compiled for analysis, insurance, or regulatory purposes.

Goodness of Fit Test

A statistical test used to determine how well a statistical model fits a set of observations.

Normal Distribution

A bell-shaped distribution that is symmetric about the mean and characterized by its mean and standard deviation.