Oracle Real Application Clusters (RAC)1 is an option to the award-winning Oracle Database Enterprise Edition. Oracle RAC is a cluster database with a shared cache architecture that overcomes the limitations of traditional shared-nothing and shared-disk approaches to provide highly scalable and available database solutions for all your business applications. Oracle RAC is a key component of Oracle’s enterprise grid architecture and cloud foundation. Oracle RAC utilizes Oracle Clusterware2 for cluster node and group membership, high availability, and application resource management. Oracle Clusterware is the technology that transforms a server farm into a cluster. A cluster in.
