Knowing the Sparsity of a Column Helps You Decide Whether

question 75

Multiple Choice

Knowing the sparsity of a column helps you decide whether the use of _____ is appropriate.

• A) query processing
• B) query optimization
• C) an index
• D) a full table scan

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Definitions:

Subliminal Stimuli

Stimuli that are below the threshold of conscious perception, often used in reference to messages that are not consciously detected but can impact behavior.

Selective Perceptions

The cognitive process by which individuals focus attention on particular elements of their environment while ignoring others.

Subliminal Perception

The processing of information by sensory systems without conscious awareness.

Selective Perception

The process by which individuals perceive what they want to in media messages while ignoring opposing viewpoints.