Any upgrades that are based on the MySQL source code will be legally required to be released under GPL too.
That's the beauty of GPL.
Software under MIT or BSD license could be hijacked by private companies. Software under GPL license could not.
--- On Tue, 11/9/10, Gauthier, Dave <dave.gauthier@intel.com> wrote:
> From: Gauthier, Dave <dave.gauthier@intel.com>
> Subject: RE: [GENERAL] Why facebook used mysql ?
> To: "Andy" <angelflow@yahoo.com>, "pgsql-general@postgresql.org" <pgsql-general@postgresql.org>
> Date: Tuesday, November 9, 2010, 12:16 PM
> Think upgrades
>
> -----Original Message-----
> From: Andy [mailto:angelflow@yahoo.com]
>
> Sent: Tuesday, November 09, 2010 12:02 PM
> To: pgsql-general@postgresql.org;
> Gauthier, Dave
> Subject: Re: [GENERAL] Why facebook used mysql ?
>
>
> --- On Tue, 11/9/10, Gauthier, Dave <dave.gauthier@intel.com>
> wrote:
>
> > A different slant on this has to do with licensing and
> $$.
> > Might Oracle decide some day to start charging for
> their new
> > found DB? They are a for-profit company that's
> > beholding to their shareholders LONG before an open
> software
> > community. Consumers like Facebook and Google have
> > deep pockets, something corporate executives really
> don't
> > dismiss lightly.
>
> This is just FUD.
>
> MySQL is GPL'd, just like Linux is.
>
> To say you should avoid MySQL because Oracle may someday
> start charging for it is like saying you should avoid Linux
> because Red Hat may someday start charging for it.
>
> That makes no sense, especially since both Oracle and Red
> Hat are already charging for their products. Doesn't mean
> you can't keep using free Linux and MySQL.
>
>
>
>