What Is a Foreign Key

question 5

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 among the two tables
• C) Characteristics or properties of an entity class
• D) A field (or group of fields) that uniquely identifies a given attribute in a table

---

Definitions:

Ordinary Mole

is a small mammal known for its burrowing habits and almost blind sight, distinct from the skin growth also called a mole.

Sharply Defined

Described with precision and clarity, often referring to the distinctness of an object's edges or boundaries.

Asymmetrical

Lacking symmetry; having parts that fail to correspond to one another in shape, size, or arrangement.

Melanoma

A serious and aggressive form of skin cancer originating from melanocytes, the cells that produce pigment.