Re: Modelling objects with variable number of properties in an RDBMS
- From: "Roy Hann" <specially@xxxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 1 Nov 2005 14:00:46 -0000
"vc" <boston103@xxxxxxxxxxx> wrote in message
news:1130765800.098046.93870@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> 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...
Roy
.
- Follow-Ups:
- Prev by Date: Re: Modelling objects with variable number of properties in an RDBMS
- Next by Date: Re: Modelling objects with variable number of properties in an RDBMS
- Previous by thread: Re: Modelling objects with variable number of properties in an RDBMS
- Next by thread: Re: Modelling objects with variable number of properties in an RDBMS
- Index(es):
Relevant Pages
|