What Does a Primary Key Do

question 23

Multiple Choice

What does a primary key do?

• A)Identifies each row of a table.
• B)Selects a number of rows from a database.
• C)Stores a bunch of related data.
• D)None of the above.

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Definitions:

Science

A systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.

Profession

A profession refers to a type of job that requires specialized knowledge and often extensive academic or formal training.

Creativity

The ability to produce original and valuable ideas or solve problems in novel ways.

Educational Psychology

A branch of psychology concerned with the scientific study of human learning and how educational practices enhance learning outcomes.