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 1.3 MySQL Development Roadmap
 =============================
 
 This section provides a snapshot of the MySQL development roadmap,
 including major features implemented or planned for MySQL 4.0, 4.1,
 5.0, and 5.1.  The following sections provide information for each
 release series.
 
 The current production release series is MySQL 4.1, which was declared
 stable for production use as of Version 4.1.7, released in October
 2004.  The previous production release series is MySQL 4.0, which was
 declared stable for production use as of Version 4.0.12, released in
 March 2003. Production status means that future 4.1 and 4.0 development
 is limited only to bugfixes.  For the older MySQL 3.23 series, only
 critical bugfixes are made.
 
 Active MySQL development currently is taking place in the MySQL 5.0
 release series, this means that new features are being added there.
 MySQL 5.0 is available in alpha status.
 
 Before upgrading from one release series to the next, please see the
 notes at  Upgrade.
 
 Plans for some of the most requested features are summarized in the
 following table.
 
 *Feature*              *MySQL Series*
 Unions                 4.0
 Subqueries             4.1
 R-trees                4.1 (for `MyISAM' tables)
 Stored procedures      5.0
 Views                  5.0
 Cursors                5.0
 Foreign keys           5.1 (implemented in 3.23 for `InnoDB')
 Triggers               5.0 and 5.1
 Full outer join        5.1
 Constraints            5.1
 

Menu

 
* MySQL 4.0 Nutshell          MySQL 4.0 in a Nutshell
* MySQL 4.1 Nutshell          MySQL 4.1 in a Nutshell
* MySQL 5.0 Nutshell          MySQL 5.0: The Next Development Release
 

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