Editing Surrogate key (section)

{{Short description|Unique identifier for either an entity in the modeled world or an object in the database}}
{{More footnotes needed|date=July 2009}}
A '''surrogate key''' (or '''synthetic key''', '''pseudokey''', '''entity identifier''', '''factless key''', or '''technical key'''{{citation needed|date=December 2010}}) in a [[database]] is a unique identifier for either an ''entity'' in the modeled world or an ''object'' in the database. The surrogate key is ''not'' derived from application data, unlike a [[natural key|''natural'' (or ''business'') key]].<ref>{{Cite web|url=https://www.techopedia.com/definition/22403/surrogate-key|title=What is a Surrogate Key? - Definition from Techopedia|website=Techopedia.com|date=15 June 2017 |language=en|access-date=2020-02-21}}</ref>