What Is the Purpose of the Primary Key

question 36

Multiple Choice

What is the purpose of the primary key?

• A)to uniquely identify each record in a table
• B)to uniquely identify each table in a database
• C)to create a relationship between two tables in a database
• D)to create a relationship for queries in a database

---

Definitions:

Transcontinental Railroad

A railway system stretching across a continent, typically referring to the railroad completed in 1869 that linked the eastern and western United States.

Economic Policies

Strategies and decisions made by governments regarding the regulation and management of a country's economy, including tax laws, interest rates, and government spending.

Internal Improvements

Government-funded projects to develop the nation’s infrastructure, such as roads, bridges, and canals.

Ex Parte Milligan

1866 Supreme Court case that declared it unconstitutional to bring accused persons before military tribunals where civil courts were operating.