Tag: Candidate Key

What Is a Candidate Key in Database Design?

A candidate key is an important concept in database normalization. Read on to find out what a candidate key is and how to check if a set of attributes is a candidate key. The candidate key, also simply called a key, is an important part of database design. It is the theoretical foundation for technical concepts like primary and alternate (unique) keys. Every database designer should be aware of how to identify candidate keys and how to choose the right one for their table.

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