Fast, Reliable, Proven transactional storage for MySQL
InnoDB is the leading transactional storage engine for MySQL, delivering high performance transaction processing, with row level locking and multi-version concurrency control. It minimizes expensive disk I/O through the efficient use of memory and processor resources. The InnoDB storage engine ensures data integrity and reliability, with such capabilities as referential integrity support and automatic data recovery.
InnoDB is distributed and supported by Sun/MySQL, and is available with both the Enterprise and Community Editions of the MySQL server.
Plugin
The InnoDB Plugin can replace the “built-in” version of the InnoDB storage engine in MySQL, and offers enhanced performance, reliability and usability features, including “fast index creation”, data compression and improved multi-core scalability.
Embedded 
Made for application developers, device makers and ISVs, Embedded InnoDB provides all the high- performance, proven and reliable data management features of InnoDB for embedded use in an application. Using a non-SQL, ISAM-like application programming interface, application programs can take full advantage of the capabilities of InnoDB.
Hot Backup
InnoDB Hot Backup allows you to create a consistent back up of a running InnoDB database under MySQL without setting any locks or disturbing normal database processing. Order Hot Backup now!

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