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{{Infobox programming language
| name = Facebook Query Language
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| released = {{start date and age|2007|02}}
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| influenced by = [[SQL]]
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| platform = [[Facebook Platform]]
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| website = {{URL|developers.facebook.com}}
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'''Facebook Query Language''' ('''FQL''') is a [[query language]] that allows querying [[Facebook]] user data by using a [[SQL]]-style interface,<ref>{{Cite news|url=http://developers.facebook.com/docs/reference/fql/|title=Facebook Query Language (FQL)|work=Facebook for Developers|access-date=2018-05-12|archive-url=https://web.archive.org/web/20110717031107/http://developers.facebook.com/docs/reference/fql/|archive-date=2011-07-17|language=en-US}}</ref> avoiding the need to use the [[Facebook Platform]] Graph [[Application programming interface|API]].<ref>{{cite web | title= About Facebook-FQL | url= https://stackoverflow.com/tags/facebook-fql/info| work= Tag info | publisher = [[Stack Overflow]] | access-date = 2012-05-18}}</ref> Data returned from an FQL query is in [[JSON]] format by default.

==History==
{{expand section|date=May 2012}}
FQL was first made publicly available in February 2007.<ref>{{Cite web|url=https://www.facebook.com/notes/facebook/fql/2245872130/|title=FQL|last=Steinberg|first=Ari|website=[[Facebook]] |date=February 26, 2007|language=en|access-date=2018-05-12}}</ref> FQL was no longer available as of August 7, 2016, when Facebook API 2.0 was no longer available.<ref>{{Cite news|url=https://developers.facebook.com/docs/apps/changelog/|title=Changelog - Graph API|work=Facebook for Developers|access-date=2018-05-12|language=en-US}}</ref> Facebook API versions newer than API 2.0 do not support FQL.

==Example==
In the following query, four different types of data are retrieved from a single table (status) and for a single user ("me"):
<syntaxhighlight lang="sql">
SELECT status_id,message,time,source FROM `status` WHERE uid = me()
</syntaxhighlight>

This query can run by querying the Facebook graph endpoint ''/fql'' with the parameters set to ''q=[FQL]''

==References==
{{reflist}}

==External links==
*[https://developers.facebook.com/ Official Homepage]

{{Facebook navbox}}

[[Category:Query languages]]
[[Category:Facebook software]]
[[Category:2007 software]]

{{web-software-stub}}

Facebook Query Language - Revision history

imported>A.Deira.born: copyedit