A Is a Column (Or Columns) That Uniquely Identifies Each

question 29

Multiple Choice

A is a column (or columns) that uniquely identifies each row of data in a database.

• A) selector
• B) main key
• C) identifier
• D) primary key

---

Definitions:

Refrigerator

A device designed to cool and preserve food and beverages.

Common Carrier

A business or service that transports goods or people under the regulatory obligation to serve the public.

Virtual Insurer

An insurance provider that operates primarily or exclusively through digital platforms without traditional physical offices.

Statute Law

A law passed by a properly constituted legislative body.