Implementing Nonoverlapping Subtypes Requires the Use of One Discriminator Attribute

question 50

True/False

Implementing nonoverlapping subtypes requires the use of one discriminator attribute for each subtype.

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Definitions:

Prairie Potholes

Depressional wetlands scattered throughout the Upper Midwest of the United States and Canada, vital for waterfowl breeding and nesting habitats.

Retreating Glaciers

Glaciers that are diminishing in size and length due to melting, often cited as evidence of global climate change.

Food Chains

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Terrestrial Biomes

Large community of plants and animals that occupies a distinct region of land, identified by its climate, soil, and vegetation types.