A Primary Key Is an Attribute That Is Required to Exist

question 28

True/False

A primary key is an attribute that is required to exist in each table of a relational database and serves as the unique identifier for each record in a table.

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Definitions:

Fatigue

A state of extreme tiredness or exhaustion resulting from mental or physical exertion or illness.

Paralysis

The loss of the ability to move (and sometimes to feel anything) in part or most of the body, typically as a result of illness, poison, or injury.

Diabetes

A chronic condition characterized by high levels of sugar in the blood, resulting from the body's inability to produce or use insulin effectively.

Graves' Disease

An autoimmune disorder that leads to hyperthyroidism and is characterized by the overproduction of thyroid hormones.