What Database Rule States That No Field That Is Part

question 38

Multiple Choice

What database rule states that no field that is part of the primary key may accept null values?

• A) legal-values integrity
• B) structural integrity
• C) referential integrity
• D) entity integrity

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Definitions:

Colonization Movement

The historical process by which a country takes control over foreign lands to exploit resources, establish settlements, and exert political control.

African Americans

A racial or ethnic group in the United States with ancestry from the black racial groups of Africa.

Mission System

A network of missions established by European colonizers, particularly in the Americas, for the purposes of Christianizing, colonizing, and managing indigenous populations.

Hacienda Owners

Individuals or families owning large estates or ranches in Latin America, often with significant agricultural production, historically the social and economic elite.