H2 Database Engine

Welcome to H2, the Java SQL database. The main feature of H2 are:

  • Very fast, open source, JDBC and ODBC API
  • Embedded, server and cluster modes; in-memory databases
  • Browser based Console application
  • Small footprint: around 1 MB jar file size

Download Beta

Version ${version} (${versionDate}):
download Windows Installer (3.1 MB)
download All Platforms (zip, 4.7 MB)
All Downloads (including Stable)
   

Support

English Google Group
Japanese Google Group

Or send an e-mail to:

Performance

Performance comparison
Operations/second (higher is better) - More information about this test

News

Newsfeeds: Full text (Atom) or Header only (RSS).

Email Newsletter: Subscribe to H2 Database News (Google account required) to get informed about new releases. Your email address is only used in this context.

 

Contribute

You can contribute to the development of H2 by sending feedback and bug reports, or translate the H2 Console application (for details, start the H2 Console and select Options / Translate). To donate money, click on the PayPal button below. You will be listed as a supporter: