3.2 Copyrights de MySQL

There are several different copyrights on the MySQL distribution:

  1. The MySQL-specific source needed to build the mysqlclient library and programs in the `client' directory is in the public domain. Each file that is in the public domain has a header which clearly states so. This includes everything in the `client' directory and some parts of the mysys, mystring and dbug libraries.
  2. Some small parts of the source (GNU getopt) are covered by the ``GNU LIBRARY LIBRARY GENERAL PUBLIC LICENSE''. See the `mysys/COPYING.LIB' file.
  3. Some small parts of the source (GNU readline) are covered by the ``GNU GENERAL PUBLIC LICENSE''. See the `readline/COPYING' file.
  4. Some parts of the source (the regexp library) are covered by a Berkeley style copyright.
  5. The other source needed for the MySQL server on non-Microsoft platforms is covered by the ``MySQL FREE PUBLIC LICENSE'', which is based on the ``Aladdin FREE PUBLIC LICENSE.'' J Licence MySQL pour les sytèmes d'exploitation non-Microsoft. When running MySQL on any Microsoft operating system, other licensing applies.

The following points set forth the philosophy behind our copyright policy:

  • The SQL client library should be totally free so that it can be included in commercial products without limitations.
  • People who want free access to the software into which we have put a lot of work can have it, so long as they do not try to make money directly by distributing it for profit.
  • People who want the right to keep their own software proprietary, but also want the value from our work, can pay for the privilege.
  • That means normal in-house use is FREE. But if you use MySQL for something important to you, you may want to help further its development by purchasing a license or a support contract. 3.6 Types de support commercial.
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