PolarDBX-Engine project is developed by Alibaba and based on the MySQL program. 
Code is distributed under the GNU General Public License, version 2.0.

This product contains various third-party components under other open source licenses. 
See the NOTICE file for more information.


Copyright (c) 2000, 2023, Oracle and/or its affiliates.

This is a release of MySQL, an SQL database server.

License information can be found in the LICENSE file.

In test packages where this file is renamed README-test, the license
file is renamed LICENSE-test.

This distribution may include materials developed by third parties.
For license and attribution notices for these materials,
please refer to the LICENSE file.

For further information on MySQL or additional documentation, visit
  http://dev.mysql.com/doc/

For additional downloads and the source of MySQL, visit
  http://dev.mysql.com/downloads/

MySQL is brought to you by the MySQL team at Oracle.