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NNTP-Posting-Date: Sun, 03 Nov 2024 01:49:02 +0000
Subject: Re: The joy of SQL
Newsgroups: comp.os.linux.misc
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From: "186282@ud0s4.net" <186283@ud0s4.net>
Organization: wokiesux
Date: Sat, 2 Nov 2024 21:48:47 -0400
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On 11/2/24 7:49 AM, The Natural Philosopher wrote:
> On 02/11/2024 05:19, 186282@ud0s4.net wrote:
>> I don't think there's any distinct "advantage" these
>>    days in either flat-file or MV. Plusses and minuses
>>    for each approach. It's all a matter of how you FEEL
>>    data should be structured/stored.
>>
>>    In short, 'religion'.
> 
> MV? no one seems to know what 'MV' is. Did you invent it?


   ???

   MV = Multi-Valued = Data fields that can hold long
   lists of that KIND of information. If you have a
   fleet-tracking DB then there'd be ONE field saying
   "mileage" and likely another for "fuel-added" and
   they'd just be added-to over time. The record for
   that vehicle is read all-at-once, rather than there
   being dozens, hundreds, of records for said vehicle
   every time it was fueled-up.

> Insofar as data storage goes there are considerable advantages to a 
> normalised database with indices et al.
> 
> It is not a religious choice.

   Ummm ... I'd still say so.

   MV DBs can also have indexes BTW.

> The religion comes in with supporters who have been told that 
> *irrespective of the actual context or uses* it is 'simply the best'
> 
> Rules are for the guidance of wise men and the obedience of fools.

   MV DBs are still sold - sometimes for really serious
   money - so clearly a lot of people/corps DO like that
   way of dealing with data. OpenQM is likely best known
   to Linux users.

https://www.predictiveanalyticstoday.com/top-free-commercial-multivalue-database/