Re: best practice in upgrading db structure

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: SunWuKung <Balazs(dot)Klein(at)axelero(dot)hu>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: best practice in upgrading db structure
Date: 2006-03-28 22:11:10
Message-ID: 20060328221109.GC75181@pervasive.com
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On Tue, Mar 28, 2006 at 09:28:12PM +0200, SunWuKung wrote:
> This is going to be an amateur question...
>
> Could somebody explain me, or point me to a resource where I can find
> out what is the recommended practice when a live db needs to be replaced
> with a new version of it that has a slightly different structure?
>
> My first guess would be to create the empty new version of the db and
> insert the data of the old one into it - adding and modifying it when
> necessary, but I am not sure.
>
> What do you usually do in a situation like this?

ALTER TABLE ...
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Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461

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