A Field Identified in a Record as Holding the Unique

question 23

Multiple Choice

A field identified in a record as holding the unique identifier for that record is called the:

• A)primary key.
• B)key field.
• C)primary field.
• D)foreign key.

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Definitions:

Resistance

In electricity, opposition to current flow measured in ohms.

Non-cycling Circuit Breaker

A type of circuit breaker designed to maintain its off state until manually reset, used to protect electrical circuits from damage.

Tripped

Refers to a state where a device or system has been activated to stop or change operation, often as a safety or protective measure.

Key Off

A term referring to the state of an automotive ignition system when the key is turned to the off position, cutting power to the engine.