Re:

On 2/11/2014 1:35 AM, Nedal Slman wrote:
> i want to ask if there is any problem or fees to using Postgesql in
> commercial application
> like develop not open source application using Postgresql database and
> sell it .

http://www.postgresql.org/about/licence/

you need to include the specified copyright and two paragraph disclaimer
in your copyright notices, if you're distributing any derivative of
PostgreSQL, otherwise, there are no strings attached.



--
john r pierce                                      37N 122W
somewhere on the middle of the left coast