Attributes Other Than the Primary Key Are

question 21

Multiple Choice

Attributes other than the primary key are

• A)included to satisfy transaction processing requirements.
• B)included to meet management's information needs.
• C)both A and B
• D)none of the above

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Definitions:

Ca

Calcium, a chemical element with the symbol Ca and atomic number 20, an alkaline earth metal essential for living organisms, particularly in cell physiology.

Lewis Dot Structure

A diagrammatic representation of the valence electrons in an atom, ion or molecule, using dots around the symbol of an element.

Potassium

A soft, silvery-white metallic element, highly reactive and essential for biological organisms, symbolized as K.

Se

Selenium, a nonmetal element with properties that are intermediate between those of metals and nonmetals, used in various industrial applications.