If a Table Has Multiple Candidate Keys and One of Those

question 4

Multiple Choice

If a table has multiple candidate keys and one of those candidate keys is a composite key, the table can have _____ based on this composite candidate key even when the primary key chosen is a single attribute.

• A) Boyce-Codd normal forms
• B) redundancies
• C) time-variances
• D) partial dependencies

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Definitions:

Fovea

A tiny pit located in the macula of the retina, providing the clearest vision of fine details when looking directly at an object.

Colour Vision

The ability of the visual system to distinguish objects based on the wavelengths (or frequencies) of the light they reflect or emit.

Depth Perception

The visual ability to perceive the world in three dimensions, enabling the estimation of distance between objects.

Low Illumination

A condition of minimal light, which can affect visibility, mood, and the perception of colors and details.