What Is a Foreign Key

question 9

Multiple Choice

What is a foreign key?

• A) A field (or group of fields) that uniquely identifies a given entity in a table.
• B) A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
• C) Characteristics or properties of an entity.
• D) A field (or group of fields) that uniquely identifies a given attribute in a table.

---

Definitions:

Sections

Distinct parts into which something is or may be divided, or a method of delivering a baby surgically.

Torso

The central part of the human body that extends from the neck to the pelvis, excluding the head, arms, and legs.

Thoracic Cage

The Thoracic Cage, also known as the rib cage, is a skeletal structure made of ribs and sternum that protects vital organs in the chest and supports the upper body.

Thoracic Vertebrae

The twelve vertebrae situated between the cervical (neck) and lumbar (lower back) regions, which make up the midsection of the vertebral column.