A ________ Is a Column (Or Set of Columns) Which

question 11

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:

Inequality

A mathematical statement that indicates that two expressions are not equal, using symbols such as <, >, ≤, or ≥.

Operating Cost

Expenses associated with the day-to-day running of a business, such as rent, utilities, and salaries.

Annual

Occurring once every year.