Every Table in a Relational Database Must Have a Key

question 18

True/False

Every table in a relational database must have a key.

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Definitions:

Realistic Mathematics Education

An educational approach that focuses on developing students' mathematical concepts and understanding through real-world problems and situations.

Real-World Problems

Issues or challenges that occur in actual situations outside of controlled environments, affecting individuals or communities.

Playworld Practice

involves creating imaginative and playful learning environments that encourage children to explore, learn, and develop through play.

Children's Literature

Books, stories, and poems that are written specifically for children, characterized by imaginative narratives and themes suitable for young audiences.