http://raivoratsep.com Sun, 10 Jul 2011 03:21:51 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://raivoratsep.com/35/multi-level-hierarchy-in-mysql/ http://raivoratsep.com/35/multi-level-hierarchy-in-mysql/#comments Fri, 29 Jan 2010 20:14:10 +0000 Raivo http://raivoratsep.com/?p=35 http://raivoratsep.com/35/multi-level-hierarchy-in-mysql/feed/ 1