Every table in a relational database must have a foreign key.

Name: Every table in a relational database must have a foreign key.
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Question

Every table in a relational database must have a foreign key.​

Quizplus · Accepted Answer

While it is common for tables to have foreign keys that reference other tables, it is not a requirement for every table in a relational database to have a foreign key. Some tables may not require any references to other tables, or may have relationships that can be represented without the use of foreign keys.

Every Table in a Relational Database Must Have a Foreign