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. License: Eclipse Public License Changes:
Enabling the trace mechanism by creating a file is no longer supported. The MySQL compatibility extension fromUnixTime now uses the English locale. Some database metadata operations did not work for non-admin users. When using LOG=2, the index file grew quickly in some situations. In versions 1.1.105-106, old encrypted script files could not be processed.