DBFeeder is a great tool to generate synthetic testdata for Oracle Databases and it is ideal for companies who wants to outsource development. Thanks to his original approach, data can be highly customizable and it even fits primary and foreign keys constraints of tables.
For Oracle database, mask sensitive data by replacement (static or expression), substitution (synthetic data set is included), random values (Lorum Ipsum) or deletion.
Generates update/delete statements or triggers or runs directly against the database.