A Primary Key's Main Function Is to Uniquely Identify A(n)within

question 79

Multiple Choice

A primary key's main function is to uniquely identify a(n) within a table.

• A)attribute
• B)entity instance or row
• C)entity subtype
• D)natural key or identifier

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Definitions:

Founding Documents

Historic texts or writings that outline the foundational principles and laws of a nation or organization, such as the U.S. Constitution and Declaration of Independence.

Manifest Destiny

Phrase first used in 1845 to urge annexation of Texas; used thereafter to encourage American settlement of European colonial and Indian lands in the Great Plains and the West and, more generally, as a justification for American empire.

Economic Depression

A severe and prolonged downturn in economic activity characterized by significant decline in GDP, high unemployment, low spending, and deflation.

Mississippi River

One of the longest rivers in North America, flowing from northern Minnesota to the Gulf of Mexico, and historically significant as a major transport route for trade, especially during the 19th century.