http://blog.guiguan.net/2006/11/object-relational-mapping%e5%af%b9%e8%b1%a1%e5%85%b3%e7%b3%bb%e6%98%a0%e5%b0%84/ There's more than one way to do it Tue, 06 Jan 2009 23:16:32 +0000 http://wordpress.org/?v=2.6.2