From: | Enrico Weigelt <weigelt(at)metux(dot)de> |
---|---|
To: | postgresql advocacy <pgsql-advocacy(at)postgresql(dot)org> |
Subject: | Re: [SQL] SQL Spec Compliance Questions |
Date: | 2004-06-03 17:20:02 |
Message-ID: | 20040603172001.GJ32598@nibiru.metux.de |
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Lists: | pgsql-advocacy pgsql-sql |
* Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
> Josh Berkus wrote:
> > > 4.16.2 Referenceable tables, subtables, and supertables
> > > A table BT whose row type is derived from a structured type
> > > ST is called a typed table. Only a base table or a view can be a
> > > typed table. A typed table has columns corresponding, in name and
> > > declared type, to every attribute of ST and one other column REFC
> > > that is the self-referencing column of BT; let REFCN be the
> > >
> > > I really don't quite understand this, but I don't think we have it
> > > ;-)
> >
> > Ye Gods and Little Fishes!!
> >
> > Was the SQL99 Committee smoking crack, or what? What the heck is
> > that *for*?
>
> Object/relational mapping?
hmm. any example for that stuff ?
cu
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