Usage of RAC in Oracle

The usage of RAC in Oracle: 1. Provide high availability by running database instances on multiple servers; 2. Allow the number of nodes to be increased or reduced when needed; 3. Achieve load balancing by distributing the workload to multiple nodes; 4. Use shared storage to achieve data sharing between multiple nodes; 5. Allow multiple nodes to process database requests at the same time, thereby achieving parallel processing; 6. Provide a transparent failover function; 7. Use some technologies to ensure that data Consistency; 8. Provides management tools to simplify the management and maintenance of the RAC environment. This topic also provides other articles related to RAC, which you can read for free.