-----BEGIN PGP SIGNED MESSAGE-----
On 26 November 2002 at 18:54:04 -0500 (which was 23:54 where I live) John W.
Holmes wrote and made these points
>> This is OK for some simple trees, however it does have some limitations.
>> (1) Adding another tree / series of nodes into the middle if the set.
> Not if you can define what the absolute max size of a node will be.
Most of my applications I can not, and this is a limitation that I would never
want to impose on on my apps.
If you can then good.
>> (2) A child node that belongs to more than one parent.
> I give a certain company the node numbers of 6-5006. Now assign that left
> and right pair a unique id. Now you can have multiple people with that
> same ID.
I might have misunderstood you but sorry but this is a big no no in my all
my apps. Every item must have a unique ID. This is a fundamental basis of
all my systems.
See you in Cyber space, _______________________________________________
David | David Elliott | Software Engineer |
_________________________| [EMAIL PROTECTED] | PGP Key ID 0x650F4534 |
| Would it help if I got out and pushed? -Princess Leia |
-----BEGIN PGP SIGNATURE-----
Version: 6.5.8ckt http://www.ipgpp.com/
-----END PGP SIGNATURE-----
PHP Database Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php