What Is a Field That Uniquely Identifies a Given Record

question 84

Multiple Choice

What is a field that uniquely identifies a given record in a table?

• A)foreign key
• B)primary key
• C)data mining key
• D)DBMS key

Understand the strategies employed by individuals and firms to communicate quality in uncertain market conditions.

Evaluate the effectiveness of legislation, such as lemon laws and health insurance mandates, in addressing market failures.

Understand the different types of contractual agreements, including bilateral and unilateral contracts.

Recognize the function and impact of the Uniform Electronic Commerce Act (UECA) on electronic transactions.

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Definitions:

Pericardial Cavity

The potential space between the parietal and visceral layers of the pericardium, containing a small amount of lubricating fluid.

Mediastinum

The central compartment of the thoracic cavity, containing the heart, trachea, esophagus, and major blood vessels.

Positive Feedback

A process in which a system amplifies its own output or activity, leading to an increase in the production of that output.

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also contributing to behaviors such as social bonding and trust.