In a relational database, what is used to enforce a relationship between two tables, ensuring that a value in one table corresponds to a valid row in another table?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Foreign Key

A Foreign Key is a field (or collection of fields) in one table that uniquely identifies a row of another table. It is used to establish and enforce a link between the data in the ...

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Real Exam ScenarioRelational Data

In a relational database, what is used to enforce a relationship between two tables, ensuring that a value in one table corresponds to a valid row in another table?

โœ“ Correct Answer & ExplanationRelational Data

Correct Answer

Foreign Key

Why This Answer Is Correct

A Foreign Key is a field (or collection of fields) in one table that uniquely identifies a row of another table. It is used to establish and enforce a link between the data in the two tables.

๐Ÿ“š What This Question Tests

This question evaluates your knowledge of Relational Data โ€” a core concept tested in Microsoft Certified: Azure Data Fundamentals (DP-900). Understanding Relational Data is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.