The ____ Key of a Table Is the Column or Collection

question 17

Multiple Choice

The ____ key of a table is the column or collection of columns that uniquely identifies a given row in that table.​

• A) ​primary
• B) ​secondary
• C) ​foreign
• D) ​minor

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Definitions:

Pellet Mill

A machine or device for producing pellets from powdered material by pressing, forming, or extruding it, commonly used in the manufacturing of animal feed or wood pellets.

Marginal Tax Rate

The rate of tax that applies to the last dollar of the taxpayer's income, affecting additional income earned.

Salvage Value

The projected value at which an asset can be sold after its usage period has ended.

Net Investment

The total amount of money spent on acquiring or maintaining fixed assets after accounting for depreciation.