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Re: postgresql or mysql or oracle?

From: Randolf Richardson <rr(at)8x(dot)ca>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: postgresql or mysql or oracle?
Date: 2005-01-06 07:55:23
Message-ID: Xns95D6DEA687Crr8xca@ (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
"rporticio(at)yahoo(dot)com (Ramon Orticio)" wrote in pgsql.novice:

> how do you compare postgresql to mysql or oracle 10i
> which has become an open source material? 

    	What does Oracle mean by "open source?"  Is it 100% open source, or 
only partially, or do they mean something different?  Many commercial 
organizations have made claims that their products are "open source" but 
have worded such claims in clever ways to hide the fact that they really 
aren't, and so I remain skeptical given this general history of the 
industry (I have no idea if Oracle is doing this or not).

> thank you for your expert opinion.

    	Although I don't consider myself an expert in this area, one of the 
things that I notice about these three products is the price:

    	    	Oracle:  Not free for most uses
    	    	MySQL:  Not free for commercial use
    	    	PostgreSQL:  Free for all uses

    	The main reason I moved away from Oracle is that they dropped support 
for Novell's NetWare OS.  On the other hand, MySQL is officially supported 
on NetWare now, and PostgreSQL is on its way there (I began learning 
PostgreSQL by experimenting with beta versions of it on NetWare, and after 
much testing to see how it and the other two fit my needs I became a big 

    	In my opinion both Oracle and PostgreSQL support transactions 
properly, but MySQL doesn't because it allows for the mixture of both 
transactional and non-transactional tables.  I don't know if this issue has 
ever been resolved, but it was still a problem as far as I knew three 
months ago.

    	Oracle and PostgreSQL are in a different league than MySQL.  For 
projects that I know are going to remain small pretty much forever, and 
don't require data reliability, I would select MySQL, but for the larger 
projects (even if they start out small) I would use PostgreSQL (or Oracle 
if the customer required it).

    	Oracle has table spaces, but MySQL does not.  PostgreSQL 8 supports 
table spaces (I haven't verified this yet, but I have no reason to doubt 
it), and this is important for optimization nuts and organization freaks 
like myself.

    	[If I'm mistaken about any of this, corrections are welcome.]

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