In a Relational Database, Such as That Pictured in the Accompanying

question 137

Multiple Choice

In a relational database, such as that pictured in the accompanying figure, users can set up a relationship between tables at any time, but the tables must have which of the following in common?

• A) a record
• B) a row
• C) a column
• D) a key

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Definitions:

Hearing Abilities

The capacity of organisms to detect sound waves through specific anatomical structures, allowing for communication and environmental awareness.

Sound Frequencies

The number of sound vibrations per second, measured in Hertz (Hz), determining the pitch of sounds heard.

Crickets

Insects of the family Gryllidae, known for their chirping sounds produced by rubbing their wings together, often used as indicators of temperature.

Intensity Threshold

The minimum level of stimulus required to elicit a perceptible response or reaction in a biological system.