A Field That CANNOT Be Blank and And Must Be

question 15

Multiple Choice

A field that CANNOT be blank and and must be unique is called a ________.

• A) primary key
• B) natural key
• C) foreign key
• D) composite key

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Definitions:

Stagnation

A state of no growth, development, or progress, often used in the context of personal development or economic conditions.

Developmental Psychologist

A specialist in psychology who studies the growth and development of the human mind and behavior across the lifespan.

Mental Effects

The impact on or changes in cognitive, emotional, and psychological states of an individual.

Stagnation

A state of inactivity or lack of progress and development, often used in psychological contexts to describe periods of life where growth is perceived to halt.