For an UPDATE Action Query,the Redo Log File Contains a Pre-Image

question 3

True/False

For an UPDATE action query,the redo log file contains a pre-image of the updated fields,which shows the data values before the update.

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Definitions:

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Independent Events

Two or more events where the occurrence or outcome of one event does not affect the occurrence or outcome of the other.

P(A And B)

The probability of both event A and event B occurring together.

P(A Or B)

The probability that either event A or event B occurs or both events occur together, a fundamental concept in probability theory.