Re: Modelling objects with variable number of properties in an RDBMS

From: VC <boston103_at_hotmail.com>
Date: Tue, 1 Nov 2005 17:56:11 -0500
Message-ID: <y6OdnRe7l8Eeb_reRVn-qA_at_comcast.com>


"Roy Hann" <specially_at_processed.almost.meat> wrote in message news:9v-dnYE-SanY6PreRVnygg_at_pipex.net...
> "vc" <boston103_at_hotmail.com> wrote in message
> news:1130765800.098046.93870_at_f14g2000cwb.googlegroups.com...
>>
>> Roy Hann wrote:
>> ....
>> > Actually no, let's not. What you have re-invented here is the tired
>> > old
>> > entity-attribute-value (EAV) design (much beloved of medical research
> wonks
>> > for some reason).
>>
>> Often they do that (EAV) not because they do not know any better but in
>> order to overcome a specific database physical limitations. Their
>> entities very often contain thousands of attributes (molecular
>> biology/pharmaceutical research/drug discovery) [snip].
>
> Always check the bath water for babies...

I beg your pardon ?

>
> Roy
>
>
Received on Tue Nov 01 2005 - 23:56:11 CET

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