jdbc 连接 oracle rac 的连接串如下：
jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.210.100)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = devdb)))
jdbc 连接 oracle rac
原文：http://www.cnblogs.com/hankyoon/p/5174536.html
