Sakila for Interbase/Firebird is a port of the Sakila example database available for MySQL, which was originally developed by Mike Hillyer of the MySQL AB documentation team. 
This project is designed to help database administrators to decide which database to use for development of new products
The user can run the same SQL against different kind of databases and compare the performance

License: BSD
Copyright DB Software Laboratory
http://www.etl-tools.com

Note:

Part of the insert scripts were generated by Advanced ETL Processor
http://www.etl-tools.com/etl-tools/advanced-etl-processor-enterprise/overview.html