Definition of irrigation. 1  1 : the therapeutic flushing of a body part with a stream of liquid. 2  2 : the watering of land by artificial means to foster plant growth.
Answer: To start with, Oracle Real Application Clusters (RAC) are a database system involving a configuration of multiple hosts or servers joined together with clustering software and accessing the shared disk storage structures.
Oracle SuperCluster is Oracleâs most powerful Oracle Database and application consolidation platform.racle SuperCluster is an integrated server, storage, networking, and software system that provides maximum end-to-end database and application performance while reducing complexity and delivering the lowest total cost of ownership.