What Is a Primary Key

question 15

Multiple Choice

What is a primary key?

• A) A field that uniquely identifies each record.
• B) The first field in every record..
• C) The largest field in every record..
• D) The first field specified when a table is created.

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Definitions:

Centralized Government

A form of government in which political power and authority are concentrated in a central government, leaving local governments with limited powers or functions.

Ironclad Ships

Armored naval vessels introduced in the mid-19th century, marking a significant advancement in naval warfare technology, notable for their role in the American Civil War.

USS Monitor

A significant ironclad warship of the Union during the American Civil War, renowned for its pivotal role in the Battle of Hampton Roads in 1862, marking a revolution in naval warfare.

CSS Virginia

A historic ironclad warship of the Confederate States Navy in the American Civil War, notably partaking in the Battle of Hampton Roads in 1862.