From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
---|---|
To: | Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
Cc: | Camila Rocha <camilarrocha(at)hotmail(dot)com>, <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: rows in order |
Date: | 2002-10-04 15:05:55 |
Message-ID: | Pine.GSO.4.44.0210041905370.20942-100000@ra.sai.msu.su |
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Lists: | pgsql-sql |
On Fri, 4 Oct 2002, Achilleus Mantzios wrote:
>
> How do you plan to keep your tree represented??
>
> There are quite a few options for this.
> Extensive talk has been made in this list.
> Also search the archives.
> Basically you can follow
> - nested trees (pure sql) aproach
> - Genealogical tree representation approach
> (either using text to represent the path to the parent (pure sql), or
> arrays)
> - The contrib/tree implementation
contrib/ltree !
>
> ==================================================================
> Achilleus Mantzios
> S/W Engineer
> IT dept
> Dynacom Tankers Mngmt
> Nikis 4, Glyfada
> Athens 16610
> Greece
> tel: +30-10-8981112
> fax: +30-10-8981877
> email: achill(at)matrix(dot)gatewaynet(dot)com
> mantzios(at)softlab(dot)ece(dot)ntua(dot)gr
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
> http://archives.postgresql.org
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83
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