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.
In classical antiquity, an oracle was a person or agency considered to provide wise counsel or prophetic predictions or precognition of the future, inspired by the gods. As such it is a form of divination.he oracle of Wadjet may have been the source for the oracular tradition which spread from Egypt to Greece. Evans linked Wadjet with the Minoan snake goddess, a chthonic deity and one of the aspects of the Great Mother.