p: Today, multinational organizations and vast associations have operations in numerous spots inside of their root nation and different parts of the world. Every spot of operations may create vast volume of information. For instance, insurance agencies may have information from a huge number of neighborhood and outside branches huge retail chains have information from hundreds or a great many stores et cetera. Corporate chief require access of data from every single such source. Data warehousing has always been of high importance when it comes to the data security and information back-up management.