A Combination of Two or More Columns Used to Identify

question 33

Multiple Choice

A combination of two or more columns used to identify particular rows in a relation is a ________.

• A)record
• B)composite key
• C)foreign key
• D)surrogate key

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Definitions:

Boom-And-Bust Cycles

Economic phenomena characterized by periods of rapid economic expansion (booms) followed by periods of recession or decline (busts).

Workers

Individuals engaged in physical or intellectual labor for wages, part of the labor force in an economy.

Anglo-American Artists

Artists of English descent or origin who live or lived in the United States, often known for incorporating themes and styles from both cultures in their work.

Stephen H. Long

An American explorer in the early 19th century known for his expedition into the Great Plains, significantly contributing to the United States' westward expansion.