The following appendix covers the database and JDBC driver versions that are known to work with OpenJPA, along with any database specific configuration parameters, known issues or limitations. The Verified Database Matrix, contains the list of databases and drivers that were tested extensively against this release of OpenJPA, while the Compatible Database Matrix contains the list of databases and drivers that were tested against prior releases or by OpenJPA users and may not support every feature of this release. The Unverified Database Matrix contains a list of databases which have been reported to work, but have not been tested by the development team.