PowerDesigner 数据建模技术视频教程 观看地址http://www.tudou.com/programs/view/kllJcLbZdLo/ 参考ppt:http://www.doc88.com/p-971874032333.html 参考文章:http://blog.csdn.net/wangpeng047/article/details/7164643 http://www.cnblogs.com/huangcong/archive/2010/06/14/1757957.html