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H2 Database Engine
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<h1>H2 Database Engine</h1>
<p>
Welcome to H2, the Java SQL database. The main features of H2 are:
</p>
<ul>
<li>Very fast, open source, JDBC API
</li><li>Embedded and server modes; in-memory databases
</li><li>Browser based Console application
</li><li>Small footprint: around 1 MB jar file size
</li></ul>
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<h2 style="margin-top: 1em;">Download</h2>
Version ${version} (${versionDate}), Beta
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<tr><td style="border: 0px; background-color: #eee;">
<a href="http://www.h2database.com/h2-setup-${versionDate}.exe"><img style="border: 1px #00f solid;" src="images/download.png" alt="Download this database" width="22" height="20"/></a>
</td><td style="vertical-align: middle; border: 0px; background-color: #eee;">
<a href="http://www.h2database.com/h2-setup-${versionDate}.exe">Windows Installer (4 MB)</a>
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<a href="http://www.h2database.com/h2-${versionDate}.zip"><img style="border: 1px #00f solid;" src="images/download.png" alt="Download this database" width="22" height="20"/></a>
</td><td style="vertical-align: middle; border: 0px; background-color: #eee;">
<a href="http://www.h2database.com/h2-${versionDate}.zip">All Platforms (zip, 5 MB)</a>
</td></tr>
<tr><td style="border: 0px; background-color: #eee;" colspan="2">
<a href="download.html">All Downloads</a>
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<td style="border: 0px;"> </td>
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<h2 style="margin-top: 1em;">Support</h2>
<p>
<a href="http://groups.google.com/group/h2-database">Google Group English</a>,
<a href="http://groups.google.co.jp/group/h2-database-jp">Japanese</a><br /><br />
<a href="http://stackoverflow.com/questions/tagged/h2">Stack Overflow (tag H2)</a><br /><br />
For non-technical issues, use: <br />
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<h2 style="margin-top: 1em;">Features</h2>
<table style="width: 470px;"><tr class="notranslate">
<th></th>
<th>H2</th>
<th><a href="http://db.apache.org/derby">Derby</a></th>
<th><a href="http://hsqldb.org">HSQLDB</a></th>
<th><a href="http://mysql.com">MySQL</a></th>
<th><a href="http://www.postgresql.org">PostgreSQL</a></th>
</tr><tr>
<td>Pure Java</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareN">No</td>
<td class="compareN">No</td>
</tr><tr>
<td>Memory Mode</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareN">No</td>
<td class="compareN">No</td>
</tr><tr>
<td>Encrypted Database</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareN">No</td>
<td class="compareN">No</td>
</tr><tr>
<td>ODBC Driver</td>
<td class="compareY">Yes</td>
<td class="compareN">No</td>
<td class="compareN">No</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
</tr><tr>
<td>Fulltext Search</td>
<td class="compareY">Yes</td>
<td class="compareN">No</td>
<td class="compareN">No</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
</tr><tr>
<td>Multi Version Concurrency</td>
<td class="compareY">Yes</td>
<td class="compareN">No</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
<td class="compareY">Yes</td>
</tr><tr>
<td>Footprint (jar/dll size)</td>
<td>~1 MB</td>
<td>~2 MB</td>
<td>~1 MB</td>
<td>~4 MB</td>
<td>~6 MB</td>
</tr>
</table>
<p>
See also the <a href="features.html#comparison">detailed comparison</a>.
</p>
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<h2 style="margin-top: 1em;">News</h2>
<p>
<b>Newsfeeds:</b>
<a href="http://www.h2database.com/html/newsfeed-atom.xml">Full text (Atom)</a>
or <a href="http://www.h2database.com/html/newsfeed-rss.xml">Header only (RSS)</a>.
</p><p>
<b>Email Newsletter:</b> Subscribe to
<a href="http://groups.google.com/group/h2database-news/subscribe">
H2 Database News (Google account required)</a>
to get informed about new releases.
Your email address is only used in this context.
</p>
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<h2 style="margin-top: 1em;">Contribute</h2>
<p>
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:
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