Oracle_11g_R1和R2官方下载地址
下面的是Oracle官方下载地址，列在这里，希望能减少大家的查找时间，赶快下载吧~
Oracle Database 11g Release 1(11.1.0.6.0)Standard Edition,Standard Edition One,and Enterprise Edition
http://www.oracle.com/technology/software/products/database/oracle11g/111060_win32soft.html
Oracle Database 11g Release 2(11.2.0.1.0)Standard Edition,Standard Edition One, and Enterprise Edition
http://www.oracle.com/technology/software/products/database/oracle11g/112010_win32soft.html
转载于:https://www.cnblogs.com/myitworld/archive/2011/07/25/2214763.html
相关资源：Oracle 11g R1_R2 Real Application Clusters Essentials