A ________ Is a Column (Or Set of Columns)which Have

question 17

Multiple Choice

A ________ is a column (or set of columns) which have a unique value that cannot be duplicated in other rows?

• A)Primary key.
• B)Query.
• C)SQL statement.
• D)Lookup value.

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Definitions:

Civil War-Era

A period surrounding the American Civil War (1861–1865), characterized by significant political, social, and military upheavals in the United States.

Paper Money

Currency in the form of banknotes, which has no intrinsic value but is used as a medium of exchange, authorized and supported by a government.

King Cotton Diplomacy

An attempt during the Civil War by the South to encourage British intervention by banning cotton exports.

Great Britain

A sovereign nation located off the northwestern coast of mainland Europe, comprising England, Scotland, and Wales.