A powerful Java-based data export and extraction tool. Jailer is a powerful and smart data extraction tool that enables you to: ¡¤ extract small consistent (referentially intact) row-sets from your productive ¡¤ database and import the data into your development and test environment. ¡¤ remove and archive obsolete data from your productive database. Extracts consistent, referentially intact row-sets from your R-DB (DB2, Firebird, Derby etc.). Also Removes and archives obsolete data w/o violating integrity. Highly configurable, generates topologically sorted SQL-DML.