The ________ Specifies That If an Entity Instance of the Supertype

question 94

Short Answer

The ________ specifies that if an entity instance of the supertype is a member of one subtype,it cannot simultaneously be a member of any other subtype.

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Definitions:

Domestic Output

The sum of all products and services generated inside a nation's boundaries.

Migration

The movement of people from one place to another with the intentions of settling, permanently or temporarily, in a new location.

Labor

Human effort used in production which can also include physical and mental effort.

Brain Drain

The emigration of highly trained or intelligent people from a particular country, often due to lack of opportunities or political instability.