>Hi everybody, I want to begin developing a commercial application using VFP 9 as my front end and a free RDBMS (not DBFs) as the back end. I'd like to know what is the best one to work with VFP9. I have in mind 3: PostgreSQL, Firebird, and MySQL. I've never worked with them and of those three I guess MySQL is not completely free. I would like to know from the ones that have had any chance to work with any of those databases or perhaps any other that you may consider as a better alternative.
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>TIA

Hola tocayo.

I will suggest you PostgreSQL, I have been working with it for more than 3 years and it's great. The PostgreSQL developer group is really professional, they have a nice Roadmap and the database is rock solid and fast.

My second choice will be Firebird, but I would wait for Firebird 3 read the Roadmap.

With MySQL, I just simply don't trust it since Oracle bought Sun and as you said is not completely free.

Saludos,

Luis