What Is a Foreign Key

question 44

Multiple Choice

What is a foreign key?

• A)a field (or group of fields) that uniquely identifies a given entity in a table
• B)a primary key of one table that appears as an attribute in another table and acts to provide a logical relationship among the two tables
• C)characteristics or properties of an entity
• D)a field (or group of fields) that uniquely identifies a given attribute in a table

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Definitions:

Investing Value

A measure of the worth of an investment, typically considering its return potential and risk.

Historical Value

An accounting practice of recording assets on the balance sheet at their original cost, without adjustments for inflation or market changes.

Asset

Resources owned by a company or individual that have economic value and can be converted into cash.

Parent-subsidiary Relationship

A corporate structure where one company (the parent) controls another company (the subsidiary) typically through ownership of a majority of its shares.