On Thu, 27 Mar 2008 19:40:12 +0100, sebastien.ramage@gmail.com
<sebastien.ramage@gmail.com> wrote:
>> http://dev.mysql.com/tech-resources/...ical-data.html
>
> yes i have saw that but I cannot make working my example...
>
> I need more explanation

With some minor alterations you can use the 'Retrieving a Full Tree'
example from the Adjacancy Model, the limitations of the Adjacency Model
are explained there.
--
Rik Wasmus