Using the Database Depicted Below,"Date" Is Best Described as

question 80

Multiple Choice

Using the database depicted below,"Date" is best described as

• A) a primary key.
• B) a foreign key.
• C) a non-key attribute.
• D) an attribute.

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Definitions:

Offshore Drilling

The activity of drilling wells at sea to explore for and extract petroleum that lies beneath the ocean floor.

Ocean Debris

Human-made and natural waste materials that have ended up in the ocean, causing environmental and navigational hazards.

Zooplankton

Zooplankton are small floating or weakly swimming animals that drift in aquatic environments, serving as a crucial component of the aquatic food web.

Groundwater

Water held underground in the soil or in pores and crevices in rock, which is a major source of drinking water.