RE: [PHP-DB] TREE in a database
| From: | Rick Emery | Date: | Mon, 29 Oct 2001 20:21:15 +0000 |
| Subject: | RE: [PHP-DB] TREE in a database | ||
| Groups: | php.db | ||
| Request: | Send a blank email to php-db+get-13821@lists.php.net to get a copy of this message | ||
Relational databases really are tree structures. However, whereas a tree
parent node has pointers to children or sibling nodes; in a relational
database, the nodes "point up" to the parent node. The nodes might also
maintain a field to identify sibling nodes.
-----Original Message-----
From: Robert Vukovic [mailto:vrobert@EUnet.yu]
Sent: Monday, October 29, 2001 2:03 PM
To: 'Php-DB'
Subject: [PHP-DB] TREE in a database
Is there an easy way to implement tree structure in a database.
Something like file systems do for files.
Hints, links, anything.
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