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.
To modify an Oracle data source: 1  From the start menu, select Programs, Administrative Tools, Data Sources(ODBC). 2  In the ODBC Data Source Administrator dialog box, select the data source from the Data Sources list and click Configure. The Oracle ODBC Driver Configuration dialog box is displayed.