说明：  ERWIN绝好的数据库建模工具,可以把数据模型导入数据库如sql server foxpro等这里是方法指南更多内容可以去http://erwin.softwarechn.com/_script/showfull.asp?Board=method&Tabname=erwin
(visited excellent database modeling tools, data model can import sql server database such as foxpro so here is how the guide can be more content to http://erwin.softwarechn.com/_script/showfull.asp Board = = erwin methodTabname)