Hi Ioannis,
> Also i'd like to answer you if postgresQL has implemented rcursive
> queries
> proposed from SQL99 standard?
>
Not yet. But there is a patch around that implement it. See
http://gppl.moonbone.ru/
> If yes, are there any restrictions of the model on your
> implementation?
>
The patch the way it is, it wasn't accept. Search in the archives for
"recursive sql", "hierarchical queries" or "Evgen Potemkin" (its
author) to know more about this topic.
Euler Taveira de Oliveira
euler[at]yahoo_com_br
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