A Completeness Constraint May Specify That Each Entity of the Supertype

question 102

True/False

A completeness constraint may specify that each entity of the supertype must be a member of some subtype in the relationship.

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Definitions:

Product Life Cycle

The phases a product experiences starting from its creation and launch into the market, followed by its growth, peak, and finally its reduction in popularity and sales.

Promotion

The activities designed to inform, persuade, or remind target audiences about a product, service, or brand.

High-Learning Products

Products that take longer for consumers to see the benefits of or that do not have a good infrastructure in place to support them.

Infrastructure

The basic physical and organizational structures and facilities (e.g., buildings, roads, power supplies) needed for the operation of a society or enterprise.