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: Mozilla Public License (MPL) Changes:
The emergency reserve file has been removed. The DATEDIFF function is now compatible with MS SQL Server. Improved plugins for ActiveObjects and Oracle Toplink Essential are included. The cache memory usage calculation is more conservative. Large databases on FAT file systems are now supported. The database now tries to detect if the Web application is stopped. A memory leak in the fulltext search is fixed. The JaQu object-relation mapping tool has been improved.