From: Shaukat Mahmood Ahmad Date: December 21 2012 4:03pm Subject: Re: What are Oracle / mysql licening terms for plugins and server embeding List-Archive: http://lists.mysql.com/internals/38678 Message-Id: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Dear Monty, Thanks a lot for detailed and very helpful reply. Regards, Shaukat Mahmood Ahmadf On Tue, Dec 18, 2012 at 11:43 PM, Michael Widenius wrote: > > Hi! > >>>>>> "Shaukat" == Shaukat Mahmood Ahmad writes: > > Shaukat> Hello Everyone, > Shaukat> Can anyone explain teh liceing terms for following items, > >>> MySQL Plugins (Plugable Storage Eegines, Security Plugin, Audit Plugins , etc) > Shaukat> - Can I disctribute / sell my custom storage engines / other > Shaukat> plugins as commerical product? > > You can always sell them if they are open source. > > However if you want to sell them as closed source, then the following > should hold: > > a) They don't include any GPL code (It's ok to use GPL header files as > these don't generate code) > b) Except for the interface code, the plugin or storage engine can be > used standalone or with any other application. > > a) is required > b) Would be preferable to be 100 % legally safe. However you may be > safe even it it only works with MySQL; It depends on the > circumstances. > >>> Embeded MySQL Server > Shaukat> - Will I need to open source my application with embeded MySQL server? > > Yes, except in the case where you link it in dynamicly and your > application would still work even if you didn't link it in. > >>> Forked MySQL Server > Shaukat> - What are licening terms for custom / extended / revised MySQL > Shaukat> Server solutions like the one provided by Percona, Drizzle and > Shaukat> MariaDB? Can I maintain both open and commerical versions of branded > Shaukat> MySQL Server solution? > > If your application uses the LGPL libraries that we made from MariaDB, > then your application doesn't have to be open sourced. > > See: > https://kb.askmonty.org/en/mariadb-client-library-for-c/ > https://kb.askmonty.org/en/licensing-faq/ > > Regards, > Monty > Creator of MySQL and MariaDB