What Does Referential Integrity Do

question 3

Multiple Choice

What does referential integrity do?

• A) Allows users to delete records in tables
• B) Prevents the entry of a foreign key unless the primary key exists in the related table
• C) Prevents data from being edited or deleted
• D) Allows unrelated fields to be modified

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Definitions:

Elastic Cartilage

A type of flexible cartilage that contains elastic fibers, enabling structures like the ear and epiglottis to bend and return to their original shape.

Compact Bone

the dense, hard layer of bone tissue that lies underneath the periosteum, providing strength and structure to bones.

Dense Fibrous

Refers to connective tissues rich in collagen fibers that provide strength, support, and flexibility to structures such as tendons and ligaments.

Tight Junction

Junction between cells when adjacent plasma membrane proteins join to form an impermeable barrier.