Indexes Are Most Useful for Columns That Frequently Appear in WHERE

question 70

True/False

Indexes are most useful for columns that frequently appear in WHERE clauses of SQL commands, either to qualify the rows to select or for linking.

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Definitions:

Rest Activities

Activities designed to provide relaxation and recuperation from physical or mental exertion.

Fight or Flight

A physiological response to perceived harmful events, attacks, or threats to survival, preparing the body to either confront or avoid the danger.

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for physical activity by activating fight or flight responses.

Electroencephalograph (EEG)

A diagnostic test that measures the electrical activity of the brain using small, flat metal discs (electrodes) attached to the scalp.