# surrogate key

> unique identifier for either an entity in the modeled world or an object in the database

**Wikidata**: [Q871776](https://www.wikidata.org/wiki/Q871776)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Surrogate_key)  
**Source**: https://4ort.xyz/entity/surrogate-key


## References

1. Freebase Data Dumps. 2013