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End of Product LifecycleActive 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 MySQL™ software delivers a very fast, multi-threaded, multi-user, and robust SQL (Structured Query Language) database server. MySQL Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. MySQL is a trademark of Oracle Corporation and/or its affiliates, and shall not be used by Customer without Oracle's express written authorization. Other names may be trademarks of their respective owners.
The MySQL software is Dual Licensed. Users can choose to use the MySQL software as an Open Source product under the terms of the GNU General Public License (http://www.fsf.org/licenses/) or can purchase a standard commercial license from Oracle. See http://www.mysql.com/company/legal/licensing/ for more information on our licensing policies.
The following list describes some sections of particular interest in this manual:
For a discussion about the capabilities of the MySQL Database Server, see Section 1.3.2, “The Main Features of MySQL”.
For installation instructions, see Chapter 2, Installing and Upgrading MySQL. For information about upgrading MySQL, see Section 2.11.1, “Upgrading MySQL”, and the change notes at Appendix C, MySQL Release Notes.
For a tutorial introduction to the MySQL Database Server, see Chapter 3, Tutorial.
For information about configuring and administering MySQL Server, see Chapter 5, MySQL Server Administration.
For information about setting up replication servers, see Chapter 14, Replication.
For a list of currently known bugs and misfeatures, see Section B.5.8, “Known Issues in MySQL”.
For a list of all the contributors to this project, see Section 1.10, “Credits”.
For a history of new features and bugfixes, see Appendix C, MySQL Release Notes.
For benchmarking information, see the
sql-bench benchmarking directory in your
To report problems or bugs, please use the instructions at
Section 1.8, “How to Report Bugs or Problems”. If you find a sensitive security
bug in MySQL Server, please let us know immediately by sending an
email message to
Support customers should report all problems, including security
bugs, to Oracle Support.