Referential _____ Dictates That the Foreign Key Must Contain Values

question 27

Multiple Choice

Referential _____ dictates that the foreign key must contain values that match the primary key in the related table, or must contain null.

• A) integrity
• B) uniqueness
• C) model
• D) attribute

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Definitions:

Subduction Zone

A region of the Earth's crust where one tectonic plate is being forced under another, often resulting in volcanic activity and earthquakes.

Tectonic Setting

The geological and geographic location in relation to the movements and boundaries of Earth's tectonic plates.

Transform Fault

A type of strike-slip fault where two tectonic plates slide past each other horizontally, commonly found at the boundary between oceanic plates.

Tohuku Earthquake

A devastating magnitude 9.0 earthquake that struck off the coast of Japan in 2011, causing a massive tsunami and nuclear disaster.