A Primary Key Always Comprises a Single Column

question 65

True/False

A primary key always comprises a single column.

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Definitions:

EEG

Electroencephalography, a noninvasive method to record electrical activity of the brain via electrodes placed on the scalp, used in the diagnosis and study of neurological conditions.

Neurogenesis

The process by which new neurons are formed in the brain, a crucial aspect of brain plasticity and repair.

Plasticity

The ability of the brain to change and adapt as a result of experience or injury.

Medulla

An area at the base of the brainstem that controls vital life-sustaining functions such as heartbeat, breathing, and blood pressure.