ORACLE RAC QUESTION
RAC What is Cluster ? A cluster provides an optional method of storing table data. A cluster is made up of a group of tables that share the same data blocks. The tables are grouped together because they share common columns and are often used together OR Two or more computers that share resources and work together to form a larger logical computing unit. RAC and Oracle Parallel Server can be used to access Oracle from multiple nodes of a clustered system. What is oracle clusterware ? Oracle Clusterware is software that enables servers to operate together as if they are one server. Each server looks like any standalone server. However, each server has additional processes that communicate with each other so the separate servers appear as if they are one server to applications and end users. Why RAC, what are the benifits of using RAC? The benefits of Real Application Clusters: Ability to spread CPU