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.
RAR is an archive file format that can compress data files similar to ZIP. It can be created with WinRAR software. But it is not an open source archive file. Using Huffman encoding RAR file uses lossless file compression technique to compress large amount of files.