In Crow's Foot E-R Notation,a Circle Indicates a Minimum Cardinality

question 46

True/False

In crow's foot E-R notation,a circle indicates a minimum cardinality of zero.

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Definitions:

Period of Stress

A timeframe during which an individual, group, or system experiences significant pressure or difficulty.

Predation

The ecological process by which one organism hunts and consumes another organism for sustenance.

Precautionary Principle

A safety principle requiring that an action or policy having the potential to cause harm to the public or to the environment should not be undertaken if the consequences are uncertain or potentially dangerous.