A Candidate Key That Has Been Selected as the Unique

question 102

Multiple Choice

A candidate key that has been selected as the unique, identifying characteristic for an entity type is called a(n) :

• A) attribute.
• B) identifier.
• C) secondary key.
• D) gerund.
• E) index.

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Definitions:

"Axis of Evil"

A term coined by U.S. President George W. Bush to describe governments that he believed sponsored terrorism and sought weapons of mass destruction, notably Iran, Iraq, and North Korea.

France

A country in Western Europe known for its rich history, cultural landmarks such as the Eiffel Tower, and significant contributions to art, science, and philosophy.

Iraq

A country in Western Asia, bordered by Turkey, Iran, Kuwait, Saudi Arabia, Jordan, and Syria, notable for its ancient Mesopotamian heritage and rich reserves of oil.

North Korea

An East Asian country officially known as the Democratic People's Republic of Korea, known for its totalitarian regime, dynastic leadership, and isolation from much of the international community.