What Does It Mean When an Entity Has a Minimum

question 9

Multiple Choice

What does it mean when an entity has a minimum cardinality of one?

• A) The entity is required in the relationship.
• B) The entity is not required in the relationship.
• C) The entity should not be in the relationship as an attribute.
• D) The entity must be listed with all ones in the data fields.

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Definitions:

Centering Control

A method or technique used to maintain focus and balance, often applied in psychology or physical activities.

Holter Monitoring

A continuous, portable form of electrocardiography, used to record heart activity over a 24 to 48-hour period during normal activities.

Electrical Activity

The movements of electrons or charged particles, often used in contexts such as neural signals or the operation of devices.

24-Hour Period

A full day; the time it takes for the Earth to complete one full rotation relative to the sun, comprising both day and night.