Date: Tue, 25 Feb 2003 18:44:30 +0000 From: Trent Nelson <trent@limekiln.vcisp.net> To: Mike Meyer <mwm@mired.org> Cc: "Philip M. Gollucci" <philip@p6m7g8.com>, synrat <synrat@wirewalk.org>, questions@freebsd.org Subject: Re: Oracle on FreeBSD Message-ID: <20030225184430.GA73776@limekiln.vcisp.net> In-Reply-To: <15963.38404.257921.610622@guru.mired.org> References: <1046128729.490.8.camel@dethstar> <Pine.LNX.4.50.0302242257420.21216-100000@mail.wirewalk.com> <200302242321.04463.philip@p6m7g8.com> <20030225091453.GB70361@limekiln.vcisp.net> <15963.38404.257921.610622@guru.mired.org>
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On Tue, Feb 25, 2003 at 10:12:52AM -0600, Mike Meyer wrote:
> In <20030225091453.GB70361@limekiln.vcisp.net>, Trent Nelson <trent@limekiln.vcisp.net> typed:
> > I'm interested in seeing how well something like PostgreSQL can be
> > used as a ``drop-in'' replacement for Oracle. If I have clients
> > connecting via ODBC (Rational ClearQuest), I personally couldn't
> > care what the underlying database is. Now *that* is something I'd
> > be interested in seeing a write up for.
>
> It's not a drop-in replacement. You have to install the PostgreSQL
> ODBC drivers on all the clients. Any client-side scripts will have to
> be changed to use a PostgreSQL wrappers instead of Oracle
> wrappers. The SQL is probably subtly different as well.
>
> SQL may be a standard, but you still get locked into the databases
> that you can query with it.
Perhaps I should have been more specific. I'm interested in how far
you can get (i.e. what queries will work, what ones won't) before
you reach a complete road-block. With regards to ODBC, changing the
driver being used by the application's '*odbc.ini' configuration fi-
le is sufficient for modifying the database being interfaced to, is
it not? i.e. the application simply calls standard ODBC functions
which the individual database drivers implement.
Trent.
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