What Is a Foreign Key

question 9

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 between 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:

Identity States

Psychological conditions representing different understandings and degrees of personal identity development.

Moratorium

Identity status, described by Marcia, in which a person is currently considering alternatives (in crisis) and seems headed for commitment.

Foreclosure

The legal process by which a lender seizes and sells a property after the borrower fails to meet the terms of the mortgage.

Crisis

A critical, potentially destabilizing situation requiring a decision or change, often leading to significant personal or collective development.