Oracle RAC 集群示意图RAC，全称real application clusters，译为“实时应用集群”， 是Oracle新版数据库中采用的一项新技术，
Oracle RAC 集群示意图
RAC，，全称real application clusters，译为“实时应用集群”， 是Oracle新版数据库中采用的一项新技术，
是高可用性的一种，也是Oracle数据库支持网格计算环境的核心技术。
应用程序连接Oracle rac的URL写法一例 ：
这是网络上的一段oracle rac的url连接以及客户端tnsnames.ora的示例----与Oracle RAC相关的连接配置写法实例：（地址-- ）
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