A Primary Key Is a Candidate Key That Has Been

question 65

True/False

A primary key is a candidate key that has been selected to uniquely identify rows in a relation.

---

Definitions:

Prescribed Medications

Drugs that are legally dispensed by a medical professional or pharmacist following a doctor's order.

Frontotemporal Lobar Degeneration

a group of brain disorders caused by progressive nerve cell loss in the brain's frontal lobes or its temporal lobes, affecting behavior, language, and movement.

Disease

A condition that negatively affects the structure or function of part or all of an organism, and that is not due to any immediate external injury.

Demography

The statistical study of populations, analyzing structure, distribution, and trends through births, deaths, migration, and aging.