Like a Primary Key,a Foreign Key Must Be Unique

question 4

True/False

Like a primary key,a foreign key must be unique.

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Definitions:

Historians

Scholars who study and write about the past, interpreting historical sources and events.

Nation's Presidents

The elected leaders who have served as the head of state and government in a country's history.

Suburbs Growth

The expansion of residential areas outside the urban core, typically characterized by single-family homes, which became increasingly prevalent during the 20th century.

1950s

The decade spanning from January 1, 1950, to December 31, 1959, marked by significant events in politics, society, culture, and technology during the Cold War era.