Discuss When to Use the GROUP BY Clause

question 44

Essay

Discuss when to use the GROUP BY clause.

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Definitions:

EEG

Electroencephalography, a method to record electrical activity of the brain via electrodes placed on the scalp.

R Sleep

Also known as REM (Rapid Eye Movement) sleep, a phase of sleep characterized by quick, random movements of the eyes, dreaming, and increased brain activity.

N Sleep

A term used to refer to non-REM sleep, which encompasses different stages of sleep excluding the REM (rapid eye movement) phase.

Young Adults

Individuals in the age range of approximately 20 to 40 years, often experiencing major life transitions such as higher education, career development, and beginning of families.