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:

Lateral Ventricle

A set of paired brain structures located in each hemisphere that contains cerebrospinal fluid, important for cushioning and supporting brain tissues.

Cerebrum

The largest part of the brain, consisting of the right and left hemispheres, responsible for voluntary activities, intelligence, memory, and personality.

Alpha Rhythm

A pattern of smooth, regular electrical oscillations in the human brain, typically around 8 to 12 Hz, associated with a state of wakeful relaxation.

EEG

Abbreviation for electroencephalogram, a test that measures electrical activity of the brain through small, flat metal discs attached to the scalp.