To Maintain Primary Key Integrity, a Relational Database Designer Will

question 87

True/False

To maintain primary key integrity, a relational database designer will not allow a primary key to have a null (empty)value.

---

Definitions:

Gate-Control Theory

A theory that explains how the perception of pain is not just a direct result of activating pain fibers but is also modulated by interplay between different neurons in the spinal cord.

Pain Sensations

The subjective experience of discomfort or hurt, resulting from the stimulation of specialized nerve cells, often signaling harm or injury.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brain down through the backbone, carrying nerve impulses to and from the brain to the rest of the body.

Primary Tastes

The basic groupings of taste sensations, traditionally categorized into sweet, sour, salty, bitter, and umami.