In response to Harald Schmalzbauer <[EMAIL PROTECTED]>:
> I'm new to PostgreSQL and see that there are 3 versions in the Ports and
> bsd.mk.ports defaults to 7.4 to resolve pgsql dependencies.
> I yahood/msnd/googled a lot but couldn't find a comprehensive comparison
> regarding features/performance. There are severaly MySQL comparisions but
> that aren't of interest any more since that's what I've been using before.
> So please can one explain me in short words what the main featrue difference
> is between 7.4, 8.1, 8.2? (I found out that 7.4 and 8.2 are incompatible
> regarding php5-pgsql conjunction)
7.4 is good. 8.1 is better. 8.2 is best.
Feature changes are minimal. 8.2 has significant performance improvements
over previous version.
> And what are the main performace differences (for a very small site) between
> 7.4, 8.1 and 8.2?
> If it's not obvious (with the above answered), why are there 3 stable
Legacy support. Some applications only work on older versions. Additionally,
in an enterprise environment, people don't upgrade just every time a
new version comes out (don't tell Microsoft, that'd defeat their entire
business model). We're still evaluating 8.2, and we'll be using 8.1
until we've don't a LOT of testing to ensure there are no regressions
You should read Eric Raymond's _The_Art_of_Unix_Programming_. Especially
the section about multiple development branches.
Collaborative Fusion Inc.
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