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 Corporation is an American company. It makes hardware systems and enterprise software (software for businesses) such as database management systems.Its headquarters are in Redwood City, California, United States. The founder is Lary Ellison.In 2010, it employed 105,000 people worldwide.racle Corporation is an American company. It makes hardware systems and enterprise software (software for businesses) such as database management systems.