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Comparison of MySQL database engines
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<p>This is a comparison between notable database engines for the <a href="/facts/MySQL/QEEDNBDP">MySQL</a> <a href="/facts/Database_management_system/VYcpkevb">database management system</a> (DBMS). A database engine (or "storage engine") is the underlying software component that a DBMS uses to <a href="/facts/Create,_read,_update_and_delete/8KwxY2eH">create, read, update and delete</a> (CRUD) <a href="/facts/Data/AUBFN97o">data</a> from a <a href="/facts/Database/VYcpkevb">database</a>. </p> <table><tbody><tr><th>Name</th><th>Vendor</th><th>License</th><th><a href="/facts/Database_transaction/q1Etrsl8">Transactional</a></th><th>Under active development</th><th>MySQL versions</th><th>MariaDB versions</th></tr><tr><td><a href="/facts/MySQL_Archive/fLuNzmAD">Archive</a></td><td>Oracle</td><td>GPL</td><td>No</td><td>Yes</td><td>5.0 – present</td><td>5.1 – present</td></tr><tr><td><a href="/facts/Aria_(storage_engine)/kGhYLXMd">Aria</a></td><td><a href="/facts/MariaDB/QWobVFIq">MariaDB</a></td><td>GPL</td><td>No</td><td>Yes</td><td>—</td><td>5.1 – present</td></tr><tr><td><a href="/facts/Berkeley_DB/lWwNrclz">Berkeley DB</a></td><td>Oracle</td><td><a href="/facts/GNU_Affero_General_Public_License/n1h9A893">AGPLv3</a></td><td>Yes</td><td>No</td><td>? - 5.0</td><td>—</td></tr><tr><td>BLACKHOLE</td><td>Oracle</td><td>GPL</td><td>No</td><td>Yes</td><td>5.0 – present</td><td>5.1 – present</td></tr><tr><td>CONNECT</td><td><a href="/facts/MariaDB/QWobVFIq">MariaDB</a></td><td>GPL</td><td>No</td><td>Yes</td><td>—</td><td>10.0 – present</td></tr><tr><td>CSV</td><td>Oracle</td><td>GPL</td><td>No</td><td>Yes</td><td>5.0 – present</td><td>5.1 – present</td></tr><tr><td><a href="/facts/Falcon_(storage_engine)/QEbq25Ax">Falcon</a></td><td>Oracle</td><td>GPL</td><td>Yes</td><td>No</td><td>?</td><td>—</td></tr><tr><td><a href="/facts/MySQL_Federated/fXJtWfEM">Federated</a></td><td>Oracle</td><td>GPL</td><td>?</td><td>No</td><td>5.0 – present</td><td>?</td></tr><tr><td>FederatedX</td><td><a href="/facts/MariaDB/QWobVFIq">MariaDB</a></td><td>GPL</td><td>Yes</td><td>No</td><td>—</td><td>? – present</td></tr><tr><td><a href="/facts/InfiniDB/XIQH3Bn2">ColumnStore (formerly InfiniDB)</a></td><td>Calpont</td><td>GPL</td><td>Yes</td><td>Yes</td><td>—</td><td>10.5.4 – present</td></tr><tr><td><a href="/facts/InnoDB/NyaJTDt7">InnoDB</a></td><td>Oracle</td><td>GPL</td><td>Yes</td><td>Yes</td><td>3.23 – present</td><td>5.1 – present </td></tr><tr><td><a href="/facts/MEMORY_(storage_engine)/4rPAu1oa">MEMORY</a></td><td>Oracle</td><td>GPL</td><td>No</td><td>Yes</td><td>3.23 – present</td><td>5.1 – present</td></tr><tr><td>Mroonga</td><td>Groonga Project</td><td>GPL</td><td>No</td><td>Yes</td><td>—</td><td>10.0 – present</td></tr><tr><td><a href="/facts/MyISAM/j1SQQLp5">MyISAM</a></td><td>Oracle</td><td>GPL</td><td>No</td><td>No</td><td>3.23 – present</td><td>5.1 – present</td></tr><tr><td><a href="/facts/MyRocks/P2WRvELg">MyRocks</a></td><td>Facebook</td><td>GPLv2</td><td>Yes</td><td>Yes</td><td>—</td><td>10.2 – present</td></tr><tr><td><a href="/facts/MySQL_Cluster/BwXDHev6">NDB</a></td><td>Oracle</td><td>GPLv2</td><td>Yes</td><td>Yes</td><td>?</td><td>—</td></tr><tr><td>OQGRAPH</td><td>Oracle</td><td>GPLv2</td><td>No</td><td>No</td><td>—</td><td>5.2 – present</td></tr><tr><td>S3</td><td><a href="/facts/MariaDB/QWobVFIq">MariaDB</a></td><td>GPL</td><td>No</td><td>Yes</td><td>—</td><td>10.5 – present</td></tr><tr><td>SEQUENCE</td><td>MariaDB</td><td>GPL</td><td>No</td><td>Yes</td><td>—</td><td>10.0 – present</td></tr><tr><td><a href="/facts/Sphinx_(search_engine)/JwKwQb1T">Sphinx</a></td><td>Sphinx Technologies Inc.</td><td>GPL</td><td>No</td><td>No</td><td>—</td><td>5.2 – present</td></tr><tr><td>SPIDER</td><td>Kentoku Shiba</td><td>GPL</td><td>Yes</td><td>Yes</td><td>—</td><td>10.0 – present</td></tr><tr><td>TempTable</td><td>Oracle</td><td>GPL</td><td>No</td><td>Yes</td><td>8.0 – present</td><td>—</td></tr><tr><td><a href="/facts/TokuDB/xAbjCPKl">TokuDB</a></td><td>Percona</td><td>Modified GPL</td><td>Yes</td><td>No</td><td>—</td><td>5.5 – 10.6</td></tr><tr><td><a href="/facts/XtraDB/xeH2hn5I">XtraDB</a></td><td>Percona</td><td>GPL</td><td>Yes</td><td>Yes</td><td>—</td><td>5.1 – 10.1</td></tr></tbody></table>