A Business Rule Is an Integrity Constraint Specifying That the Value

question 177

True/False

A business rule is an integrity constraint specifying that the value of an attribute in one relation depends on the value of the same attribute in another relation.

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Definitions:

Pyroclastic Flows

Fast-moving current of hot gas and volcanic materials that move away from a volcano during an explosive eruption.

Ash Column

A large plume of volcanic ash that is ejected into the atmosphere during a volcanic eruption.

Composite Volcanoes

Volcanic structures formed from alternating layers of lava flows, ash, and other volcanic debris.

Island Arc

Curved chains of volcanic islands located at convergent tectonic plate boundaries, often formed from the subduction of an oceanic plate under another oceanic plate.