**A Primary Key composed of multiple attributes.**
In [[Relational Databases]], Superkey (Super-key, Super Key) a set of attributes within a table whose values can be used to unique identify a row (or "[[Tuple]]" in Data-speak), potentially with additional not-strictly-required attributes added. Superkey are supersets of [[Candidate Key]]s.
![[assets/Untitled 84.png]]
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# More
## Source
-[Superkey - Wikipedia](https://en.wikipedia.org/wiki/Superkey)
## Related
- [[Relational Databases]]
- [[Primary Key]]
- [[Data Normalization Levels]]