If You Have Not Run the COMMIT Command, You Can

question 33

Multiple Choice

If you have not run the COMMIT command, you can reverse all updates made during the current work session by executing the _____.

• A) UPDATE command
• B) REVERSE command
• C) ROLLBACK command
• D) ROLL command

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Definitions:

Demographic Bottleneck

A sharp reduction in the size of a population due to environmental events or human activities, leading to a decrease in genetic diversity and potential survival challenges for the population.

Genetic Drift

A mechanism of evolution that involves random fluctuations in the frequencies of alleles (variations of a gene) in a population, particularly in small populations.

Inbreeding Depression

A decrease in biological fitness and health in a population due to breeding between closely related individuals.

Survivorship Curves

Graphical representations that show the number of individuals of a species or a population that survive at each age.