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.
Enter the name and path for the Oracle Home and click the Next button. Select the Cluster Install option and make sure both RAC nodes are selected, the click the Next button. Wait while the prerequisite checks are done. If you have any failures correct them and retry the tests before clicking the Next button.nter the name and path for the Oracle Home and click the Next button. Select the Cluster Install option and make sure both RAC nodes are selected, the click the Next button. Wait while the prerequisite checks are done. If you have any failures correct them and retry the tests before clicking the Next button.