Describe at Least Three E-R Structures and Their Relational Representation

question 76

Essay

Describe at least three E-R structures and their relational representation.

---

Definitions:

Infant

A very young child, especially one newly or recently born, generally defined as being between birth and one year of age.

Cold Weather

A condition characterized by low ambient temperatures that can affect human comfort, health, and activities.

Narcotic Analgesic

A class of medications designed to relieve pain by acting on the central nervous system to produce pain relief, sedation, and, at times, euphoria.

Hypothermic

Refers to a dangerously low body temperature, a condition that happens when the body loses heat faster than it can produce heat.