Re: range remove in BTree, or other table storage

On 24 fév, 21:27, "Walt" <wami..._at_verizon.net> wrote:
> "Cimode" <cim..._at_hotmail.com> wrote in message
>
> news:1172252812.329972.126040_at_8g2000cwh.googlegroups.com...
>
>
>
> > On Feb 23, 6:22 pm, "DBMS_Plumber" <paul_geoffrey_br..._at_yahoo.com>
> > wrote:
> > > On Feb 23, 9:13 am, "Cimode" <cim..._at_hotmail.com> wrote:
>
> > > > Introduction to Database Systems - CJ DATE
>
> > > Bah.
>
> > > Any work of english literature relies on some abstract grammatical and
> > > linguistic
> > > model. Any abstract grammatical and linguistic model relies on a
> > > psychological model of higher model of abstraction. "Introduction to
> > > Database Systems - CJ DATE" is neither an abstract grammatical and
> > > linguistic model, model nor it has a
> > > psychological model background. What are the chances an
> > > implementation
> > > issued from it may be anything else than a hack.
> > Database management does not rely on linguistics or psychology but on
> > mathematical sound set theory.
>
> Good database management practices make use of all of these: mathematically
> sound set theory (or for that matter useful results from any branch of
> mathematics), linguistics (especially, but not limited to, the liguistics
> of artificial computer oriented languages), and psychology (industrial
> psychology in particular). Actually managing a database well requires an
> interdisciplinary set of skills and practices.
Database practice is not database theory. Database practice with no sound theory behind leads to nonsense. Making database theory out of database practice leads to confusion in most cases. Received on Sun Feb 25 2007 - 11:56:34 CET