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 provides many areas of locking: 1  Locks and Oracle. 2  Lock management and escalation with Oracle. 3  Lock management in an Oracle RAC environment. 4  Enhancements to locks with Oracle.5  Tips for resolving lock issues with Oracle. 6  Avoiding deadlock conditions with Oracle.racle provides many areas of locking: 1  Locks and Oracle. 2  Lock management and escalation with Oracle. 3  Lock management in an Oracle RAC environment. 4  Enhancements to locks with Oracle.