Re: Implementing distance matrix 2500 X 2500
Felix John wrote:
> We would like to implement a distance matrix as a web database. (2500 rows X 2500 columns). [....]
Did you consider the more usual way of having a single table with 3 columns: x, y (the two matrix coordinates) and the associated distance d? Of course, you'll need appropriate indexes on x & on y.
Regards.
--
Basile STARYNKEVITCH ::::
http://starynkevitch.net/Basile/
Subject
Views
Written By
Posted
5026
December 13, 2004 11:06AM
Re: Implementing distance matrix 2500 X 2500
2696
December 13, 2004 02:46PM
2722
December 14, 2004 12:08AM
2456
December 14, 2004 12:14AM
2285
December 14, 2004 12:22AM
2424
December 14, 2004 12:30AM
2439
December 14, 2004 02:11AM
2360
December 14, 2004 08:20AM
2426
December 14, 2004 02:53AM
2263
December 14, 2004 08:25AM
2347
December 14, 2004 08:43AM
2402
December 21, 2004 01:54PM
3968
December 15, 2004 01:26PM
Sorry, you can't reply to this topic. It has been closed.
Content reproduced on this site is the property of the respective copyright holders.
It is not reviewed in advance by Oracle and does not necessarily represent the opinion
of Oracle or any other party.