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.
AWR Global Compare Periods Report â¢ Compares global RAC performance for two time rangesâ¢ This report compares the performance of a two node RAC system, before and after an upgrade from Oracle Database 11.1.0.7 to Oracle Database 11.2.WR Global Compare Periods Report â¢ Compares global RAC performance for two time rangesâ¢ This report compares the performance of a two node RAC system, before and after an upgrade from Oracle Database 11.1.0.7 to Oracle Database 11.2.