In the Accompanying Figure, the Key Symbol That Appears in the Row

question 39

Multiple Choice

In the accompanying figure, the key symbol that appears in the row selector for the Book Rep Number field indicates that Book Rep Number is the ____ for the table.

• A) principal key
• B) foreign key
• C) main key
• D) primary key

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Definitions:

Artifact

An object made by a human being, typically of cultural or historical interest.

Pulse Oximeter

A noninvasive device used to measure the oxygen saturation level of the blood and the heart rate through a sensor attached to the fingertip or earlobe.

Blood Oxygen

A measure of the amount of oxygen carried by the hemoglobin in the blood, typically expressed as a percentage.

ECG Tracing

The graphical representation of the electrical activity of the heart over time, captured by electrodes and displayed by an electrocardiograph.