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From: Georg Bauhaus <sb463ba@l1-hrz.uni-duisburg.de>
Newsgroups: comp.lang.ada
Subject: Re: Windows Ada database support.
Date: Mon, 29 Nov 2004 11:09:25 +0000 (UTC)
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Date: 2004-11-29T11:09:25+00:00
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Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
: 
:  There should be a transaction object, kind of "external"
: protected object.

Interesting idea.

:> At what time should Oracle CURSORs be given up?
: 
: What about n-th level of CPU cache? Do you really care when you write an
: Ada application?

Is it unusual to think about hardware, timing, resources, ...
when you write an Ada application?
The moment my DB-software is to be portable, I might not want to have to think
about DB specific things. In the case of Oracle cursors it turns out that
you might have to manually free resources. Certainly this has effects
on the performance characteristics, design etc.
And my choice cannot be decided by the vendor.


: It is all compiler vendor business. As an application
: developer, I want to hear nothing about cursors.

Neither would I but I have to.

:> How much precision can you portably specify for floating point
:> values in your DB independent package?
: 
: The required precision should specify the application.

Yes but this also influences what will be in this version of that
DB.