A Key Can Be Composed of a Group of Attributes

question 49

True/False

A key can be composed of a group of attributes taken together.

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Definitions:

Breathing Exercises

Techniques that encourage deeper or more effective breaths to improve lung function and overall health.

Hyperventilation

Breathing at an abnormally rapid rate, leading to a decrease in carbon dioxide levels in the blood, which can cause dizziness, tingling, and other symptoms.

Pulmonary Vein

A blood vessel that carries oxygenated blood from the lungs to the left atrium of the heart, distinct from other veins, which carry deoxygenated blood.

Oxygenated Blood

Blood that has been oxygenated, typically in the lungs, and is rich in oxygen, being carried away from the lungs to the body's tissues.