Mention what is the difference between single instance environment and rac environment?
Answer / Chetan Singh
"A single instance environment is a traditional Oracle database setup, where all database components including the SGA, database buffer cache, and redo log buffers reside on a single server.nn1. RAC Environment: In a RAC environment, multiple instances share a common database, shared disk, and network resources, providing high availability and scalability.n2. Single Instance Environment: A single instance environment provides lower performance but simpler administration compared to a RAC environment."
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