Examlex
Identify and describe three basic operations used to extract useful sets of data from a relational database.
Consciousness
The awareness of internal and external stimuli, enabling perception, thought, and self-awareness.
Sleep Terrors
Episodes of screaming, intense fear, and flailing while still asleep, associated with non-REM sleep.
Nightmares
Disturbing dreams that can cause feelings of fear, horror, and distress, often awakening the sleeper.
Rapid Eye Movement
A phase of sleep associated with dreaming, characterized by quick, jerky movements of the eyes.
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