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Re: variable column table

From: Jan Gelbrich <j_gelbrich_at_westfalen-blatt.de>
Date: Wed, 28 May 2003 09:52:26 +0200
Message-ID: <bb1pv0$4spas$1@ID-152732.news.dfncis.de>


"Billy Verreynne" <vslabs_at_onwe.co.za> schrieb im Newsbeitrag news:bb1o36$r5s$1_at_ctb-nnrp2.saix.net...
> Jan Gelbrich wrote:
>
> > But, IMHO, this is perfect **CRAP** . It has no normal form at all.
> > Then You will end up with **multiple** references to the field_names,
much
> > hard-coded SQL & PL/SQL,
> > very error_prone, and fk constraints becoming "virtual", as it bcomes
> > fuzzy.
>
> Yes and no. It depends on what you design the model for. So before ranting
> too much, I suggest you look at the basic problem first. I have an easy
> example.
>
> Take a Windows INI file (or take multiple /etc/*conf files in Unix). It
has
> multiple sections (or filenames in Unix). Each section/file has name-value
> pairs. Now design a db model for it.
>
> I will be very interested to see how you solve this ito a logical db
design.
>

Hi, Billy,

sorry if I overdid my ranting,
it is just deriving from my everyday struggle with a data model like this ...

Now,
if I understand Your problem right,
You want to store ini files in Your db,
as You describe it,
so, what about this one ?

CREATE TABLE inifiles
(

    id number(10),
    section_name varchar2(50),

    value_name      varchar2(50),
    value      varchar2(50)

)
/

hth, Jan Received on Wed May 28 2003 - 02:52:26 CDT

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