Licensing or When do I have/want to pay for MySQL?

Basic licensing issues:

• The easiest way to pay for MySQL is to use the license form at TcX's secure server at https://www.tcx.se/license.htmy
• We hope everybody understands that you only have to pay if you are selling MySQL directly or selling a product which includes the MySQL server. You may not include MySQL in a distribution if you charge for some part of it. For internal use you do not have to pay us if you do not want to.
• The client code is in the Public Domain or under the GPL (readline). You do not need a license to include client code in commercial programs.
• We may add some additional functionality in the commercial version. The likely test candidate for this is fast compressed read-only databases. The current server includes support to read such databases but not the packing tool. If we get enough revenue from support we will probably release this under the same license as the other stuff.
• But if you like MySQL and want to encourage further development you are welcome to purchase a license or support.

See section The MySQL server license.

• Cost: How much does MySQL cost?
• Support : How do I get support?
• Paying: How do I pay for a license?
• Contacting us: Who do I contact when I want more information about licensing/support
• Copyright: What Copyright does MySQL use?
• Commercial use: When may I distribute MySQL commercially without a fee
• User adding MySQL: I'm selling a product that can be configured to use MySQL
• Web server: I am running a commercial web server using MySQL.
• Commercial_scripts: Do I need a license to sell commercial perl/tcl/PHP etc applications?
• Possible license changes.: Possible future changes in the licensing.

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