I believe that if you are only using MySQL for your company's internal needs, whether from a web server or for deployment to other company-owned locations, you don't need a commercial license. For example, if your company owns fifiteen stores, you could set up a MySQL-based point-of-sale system at each one without needing a commercial license. You only need to release your source code if you release your compiled code.

Also, I believe the GPL requirement for sharing only applies if you have modified MySQL's object code, i.e. compiled your code into it or it into your code or linked object code to it. If you are simply installing it as a database and communicating to it through DBI or ODBC or some other means which uses sockets or ports, you don't need to release your code under the GPL.

Thus, you hardly ever need to purchase a commercial license.

Please note that this is just my understanding. I hope someone will correct if I have misstated anything here.

However, it is very reasonable and desirable to support MySQL as a company, as they save us all tons of money over Oracle, MS-SQL, etc., in addition to providing an excellent product. So even if you don't need the commercial license, if your company depends upon MySQL, buying a commercial license, paying for training, attending conferences, or buying lots of t-shirts is nice.

Douglas Sims
[EMAIL PROTECTED]



On Jun 7, 2006, at 7:58 PM, Logan, David (SST - Adelaide) wrote:

Hi Michael,

I believe you can purchase a commercial license taking away the GPL
provisions from your software if you do not wish to GPL your own
software. You can enquire on the MySQL website.

Regards


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-----Original Message-----
From: Michael Louie Loria [mailto:[EMAIL PROTECTED]
Sent: Thursday, 8 June 2006 9:45 AM
To: mysql@lists.mysql.com
Subject: MySQL (GPL License)

Hello,

I would like to inquire about the GPL License used by MySQL.

Here's our scenario

We developed our owned software needed by our operations using MySQL
community edition under Windows platform.

GPL says that we should distribute/share the source code. But I think it
isn't even of interest or beneficial to others because it was done on
the company specs.

If we were required to distribute/share our source code. What
distribution methods can be used? like uploading the source code in a
site? or when someone walks in and asks for the source code, we should
share it to them.

Thanks, I just need to have some clarifications about the GPL

Mic


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