Facebook Query Language (FQL) enables you to use a SQL-style interface to query the data exposed by the Graph API. It provides for some advanced features not available in the Graph API such as using the results of one query in another.
Facebook Query Language (FQL) is now deprecated and the service is completely disabled and unusable.
FQL enabled you to use a SQL-style interface to query the data exposed by the Graph API. It provided for some advanced features not available in the Graph API such as using the results of one query in another.