A Relation Is in Third Normal Form (3NF) If It

question 47

True/False

A relation is in third normal form (3NF) if it is in first normal form and no nonkey attribute is dependent on only a portion of the primary key.

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Definitions:

Dichromatic Cues

Visual information that helps in the perception of color, particularly in individuals with dichromacy, which is a form of color blindness featuring two instead of three cone cell types for color vision.

Phi

Represents the Golden Ratio, approximately equal to 1.618, which is considered aesthetically pleasing in art and architecture; also a symbol used in psychology by Wolfgang Köhler for the phi phenomenon, an optical illusion of perceived motion.

Motion Parallax

A depth cue in which objects closer to the observer move faster across the visual field than objects farther away, giving a sense of depth and distance.

Figure Ambiguity

The quality of an image or representation that leads to multiple interpretations due to its unclear form.