The _____ Is Actually a System-Created Database Whose Tables Store

question 65

Multiple Choice

The _____ is actually a system-created database whose tables store the user/designer-created database characteristics and contents.

• A) database tuple
• B) systematic database
• C) unique index
• D) system catalog

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Definitions:

REM Sleep

A phase of sleep characterized by rapid eye movements, dreaming, and heightened brain activity.

N1 Sleep

The initial stage of the sleep cycle, characterized by light sleep and the transition from wakefulness into deeper sleep stages.

N2 Sleep

A stage of sleep characterized by sleep spindles and K-complexes, representing a deeper sleep than N1 and precedes the deep sleep stages.

N3 Sleep

The third stage of non-REM sleep, characterized by deep sleep and the presence of delta waves in the brain.