Re[2]: [PEAR-DEV] PEARtree
| From: | Jens Wolk | Date: | Thu, 10 May 2001 18:51:14 +0000 |
| Subject: | Re[2]: [PEAR-DEV] PEARtree | ||
| References: | 1 2 | Groups: | php.pear.dev |
| Request: | Send a blank email to pear-dev+get-369@lists.php.net to get a copy of this message | ||
Thursday, May 10, 2001, Ulf Wendel wrote:
tree + DB =>> http://www.koehntopp.de/kris/artikel/sql-self-references/
> Ask Kristian for the implementation, it's somewhere on the server.
Thank you for this link. It's a very interesting article on how to
store trees in a RDB.
For those who think that German has to many funny looking ä/ö/ü ;-)
point your browser to this locations:
Kristian's work is based on
http://www.dbmsmag.com/9603d06.html
(scroll down to "Trees in SQL")
The author, Joe Celko, discusses the same topic again in
http://www.intelligententerprise.com/001020/celko.shtml
(both in English)
Jens
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