# primary key

> set of attributes (columns) that uniquely specify a tuple (row) in a relation

**Wikidata**: [Q934729](https://www.wikidata.org/wiki/Q934729)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Primary_key)  
**Source**: https://4ort.xyz/entity/primary-key


## References

1. BabelNet