Re: What databases have taught me
From: -CELKO- <jcelko212_at_earthlink.net>
Date: 23 Jun 2006 14:20:30 -0700
Message-ID: <1151097630.315637.285340_at_u72g2000cwu.googlegroups.com>
Date: 23 Jun 2006 14:20:30 -0700
Message-ID: <1151097630.315637.285340_at_u72g2000cwu.googlegroups.com>
>> "fermeture transitive d'un graphe". <,
Transitive closure of a graph.
There are better eways to model trees in SQL than an adjacency list.
Look up Nested Sets and get a copy of TREES & HIERATCHIES IN SQL.