What Is the Role of a Foreign Key

question 238

Multiple Choice

What is the role of a foreign key?

• A)It is a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables
• B)It is a unique way to identify each record
• C)Is a field that uniquely identifies a give record in a table
• D)All of the above

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Definitions:

Calendar Year

The one-year period that begins on January 1st and ends on December 31st, used in most accounting and financial calculations.

Straight-Line Method

A method of calculating the depreciation of an asset, which assumes the asset will depreciate by the same amount each year over its useful life.

Salvage Value

The estimated resale value of an asset at the end of its useful life, used in calculating depreciation expenses.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the decrease in value over time due to use and wear and tear.