oralce数据库管理-12c新特性之1（failover dml）

Application Continuity   以前版本failover仅支持查询操作，现在可以支持事务了。

Oracle Flex ASM: With this feature, database instances use remote ASM instances. RAC的DB实例和ASM实例不用一一对应了。

Oracle ASM Disk Scrubbing: Checks for logical data corruptions and repair them automatically.

Enhancements to Policy-based Databases: Actively utilizes different sized servers

What - if analysis for server pool management

Standardized deployment and patching: Introducing GHS, rapid home provisioning and gold images

A new "ghctl" command for better patching

Oracle Utility Cluster

Dynamic IP Management and name resolution made easy

IPv6 Based IP Addresses Support for client connectivity

Multi-purpose Installation

Oracle installer will run Fix-up scripts & "root.sh" scripts across nodes. You don't have to run the scripts manually on RAC nodes.