Hi! Am So, den 06.02.2005 schrieb Daniel Kasak um 23:55: > Auyon Bhattacharya wrote: > > >I am new to this. I have been trying to implement a hierarchial data > >structure in Mysql 5.0, on Windows NT with PHP. Can anyone tell me if > >I wish to retrieve an information such as the list of fore-fathers > >from a family tree how do I go about it in MySQL. [[...]] > > > > > Have a look at excellent tutorial: > http://www.sitepoint.com/article/hierarchical-data-database
Especially, look at the second page there: http://www.sitepoint.com/article/hierarchical-data-database/2 It describes the "nested set" model which looks promising to me. For those of you who can read German, I recommend its presentation "Baeume in SQL" ("Trees in SQL") as found here: http://www.koehntopp.de/kris/artikel/sql-self-references/ HTH, Joerg -- Joerg Bruehe, mailto:[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
