H2 is an SQL database engine written in Java that implements the JDBC API. Embedded, server, and clustering modes are available. A browser based console application is included. The database has strong security features. Disk based and in-memory databases and tables are supported.


The logging facade SLF4J is now supported. Dollar quoting has been implemented. Updatable result sets now see their own changes. ParameterMetaData now returns the correct data type. The Shell tool has been improved. The Japanese translation of the error messages has been completed. Triggers are no longer executed when changing the table structure. Database recovery has been improved. Temporary files are deleted earlier.

URL: H2 Database Engine