Re: Designing DB in accordance with the relational model
From: Cimode <cimode_at_hotmail.com>
Date: Fri, 12 Nov 2010 03:37:39 -0800 (PST)
Message-ID: <1692511b-4c3f-4a88-b02e-44adb943951a_at_w18g2000vbe.googlegroups.com>
Date: Fri, 12 Nov 2010 03:37:39 -0800 (PST)
Message-ID: <1692511b-4c3f-4a88-b02e-44adb943951a_at_w18g2000vbe.googlegroups.com>
On 10 nov, 10:18, Roy Hann <specia..._at_processed.almost.meat> wrote:
> Clifford Heath wrote:
> > [Nulls] are an
> > efficiency feature, added to allow a reduction in the number of
> > physical tables required, as a concession to the physical access
> > characteristics of mechanical storage devices.
>
> *PLONK!* And on so many levels too.
An *efficiency feature*. Never heard that one before. Typical mumbo
jumbo.
Regards...
> Roy
Received on Fri Nov 12 2010 - 12:37:39 CET