Subject: Re: PostgreSQL License
To: Rob Sargent <robjsargent@gmail.com>
Cc: Ashkar Dev <ashkardev@gmail.com>, Laurenz Albe
 <laurenz.albe@cybertec.at>,
 "pgsql-generallists.postgresql.org" <pgsql-general@lists.postgresql.org>,
 user.postgresql@gmail.com, vikasmanya1@gmail.com, andreas@visena.com,
 hjp-pgsql@hjp.at
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 <CAHaowgU512Yiz57A8RLdYU2AVded0AeTX4Y9oZD5G5oviqLUkQ@mail.gmail.com>
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 <11b26b3d-93d5-ac6b-7c06-aa959d91be5d@aklaver.com>
 <96C4950E-4157-4BD6-BE04-B4EBEF8F98A4@gmail.com>
From: Adrian Klaver <adrian.klaver@aklaver.com>
Message-ID: <d78b44aa-08a2-4cd9-1466-ad99d4cf0e8b@aklaver.com>
Date: Wed, 18 Sep 2019 11:41:03 -0700
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On 9/18/19 11:23 AM, Rob Sargent wrote:
> 
> 
>> On Sep 18, 2019, at 12:17 PM, Adrian Klaver <adrian.klaver@aklaver.com> wrote:
>>
>> On 9/18/19 11:06 AM, Rob Sargent wrote:
>>> On 9/18/19 11:50 AM, Ashkar Dev wrote:
>>>> Hi all thanks,
>>>> I meant maybe I create a web app with PostgreSQL that work locally for example for a pharmacy that stores data by barcode while the DB was created by PostgreSQL how I can sell the Database for him, how to deliver the product to him can I sell the package that contains web app files with PostgreSQL software and the database code?
>>>>
>>> You can charge the pharmacist for your efforts: your web app (license), installing postgres and your schema (somewhere) and the data supporting your web-app, any documentation of your web-app and schema, any maintenance and support you care to specify. You can copy-right your app and schema and data.
>>> You cannot (legitimately) charge the pharmacist for any part PostgresQL.
>>
>> Why not?
>>
>> Pretty sure that is what third parties are doing with their forks of Postgres.
>>
> I see your point, but aren’t they in essence charging for their efforts in making, managing their fork.  There are plenty of vendors, for a time I was one, who happily apply a schema to which ever database the client supplied (mssql, ora, pg in my case).

In general that pretty much applies to a lot of software that has price. 
You don't actually own the software, just a paid license to use it. I'm 
not saying whether it is a good idea or not, just that it is possible.


-- 
Adrian Klaver
adrian.klaver@aklaver.com