Re: Limits of SQL

Am Samstag, den 04.06.2005, 15:22 -0500 schrieb Bruno Wolff III:
> On Sat, Jun 04, 2005 at 21:53:24 +0200,
>   Joachim Zobel <jzobel@heute-morgen.de> wrote:
> > So WITH will allow recursion so I can walk the graph, right? Does this
> > mean I can recursively join until a terminating condition is reached?
>
> It can be used to compute transitive closures, which I think is what
> you are really looking for.

There aren't any plans to implement grouping by a user defined
equivalence relation? This is the other thing I am missing. But OK, WITH
will keep me happy for some time :)

Sincerely,
Joachim