The Presence of One or More Foreign Keys in a Relation

question 16

Multiple Choice

The presence of one or more foreign keys in a relation prevents ________.

• A)the elimination of modification anomalies
• B)the elimination of duplicated data
• C)more complex SQL for multitable subqueries and joins
• D)A and B
• E)A,B,and C

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Definitions:

Trauma Stories

Narratives or accounts of traumatic experiences that individuals may share as part of their coping or healing process.

Cognitive Burnout

A mental state characterized by extreme mental fatigue, reduced motivation, and decreased performance, often resulting from prolonged stress or intellectual overwork.

Changed Worldview

A significant transformation in the fundamental perspective through which an individual perceives and interprets the world, often resulting from profound life experiences or revelations.

Vicarious Trauma

The emotional residue or impact that professionals experience from exposure to their clients' traumatic stories.