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End of Product Lifecycle. Active development and support for MySQL Database Server versions 3.23, 4.0, and 4.1 has ended. For details, see http://www.mysql.com/about/legal/lifecycle/#calendar. Please consider upgrading to a recent version. Further updates to the content of this manual will be minimal. All formats of this manual will continue to be available until 31 Dec 2010.
The 3.23 release has several major features that are not present in previous versions. We have added three new table types:
MyISAM
A new ISAM
library which is tuned for SQL and
supports large files.
InnoDB
A transaction-safe storage engine that supports row level locking, and many Oracle-like features.
BerkeleyDB
or BDB
Uses the Berkeley DB library from Sleepycat Software to implement transaction-safe tables.
Note that only MyISAM
is available in the
standard binary distribution.
The 3.23 release also includes support for database replication between a master and many slaves, full-text indexing, and much more.
All new features are being developed in the 4.1.x and 5.0.x versions. Only serious bugfixes are added to 3.23.
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