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 Yahoo! Acesso Grátis - Internet rápida e grátis. Instale o discador agora! http://br.acesso.yahoo.com/ ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq