MySQL 5.0 Reference Manual  /  General Information

Chapter 1 General Information

End of Product Lifecycle. Active development for MySQL Database Server version 5.0 has ended. Oracle offers various support offerings which may be of interest. For details and more information, see the MySQL section of the Lifetime Support Policy for Oracle Technology Products ( Please consider upgrading to a recent version.

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 ( or can purchase a standard commercial license from Oracle. See for more information on our licensing policies.

The following list describes some sections of particular interest in this manual:


To report problems or bugs, please use the instructions at Section 1.7, “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 . Exception: Support customers should report all problems, including security bugs, to Oracle Support.

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