What is RAC in oracle?

Answer Posted / oracle

RAC stands for REAL APPLICATION CLUSTER, it is and advance future from oracle
10g
Oracle RAC allows multiple computers to run the Oracle RDBMS software
simultaneously while accessing a single database, thus providing a clustered
database.

Since Oracle RAC allows multiple computers to access a single database
simultaneously, it addresses several areas of database management. These
areas include:
fault tolerance
load balancing
scalability

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