Oracle Real Application Testing

In database computing, Oracle Real Application Testing (RAT) provides a separately-licensed environment for controlled and reproducible testing of Oracle database use and changes.^[1][2]

References

1. "Options and Packs". Oracle Database Licensing Information: 11g Release 1 (11.1). Oracle Corporation. July 2012. Retrieved 2012-08-07. The Oracle Real Application Testing option comprises a suite of features that help protect database applications from undesirable impact of routine changes such as hardware/software upgrades, configuration changes, platform migrations, and so forth. [...] you must purchase licenses for the Oracle Real Application Testing option [...]
2. Alapati, Sam R. (2008). Expert Oracle Database 11g Administration. Apresspod Series. Apress. p. 1209. ISBN 9781430210153. Retrieved 2012-08-07. Oracle offers two brand-new tools called Database Replay and the SQL Performance Analyzer as part of the new Real Application Testing, or Total Recall, feature, to help you test your application performance before an actual system change [...]