Recently, a set of significant new concepts and tools have evolved into a new technology
		that makes it possible to attack the problem of providing all the key people in the enterprise
		with access to whatever level of information needed for the enterprise to survive and prosper
		in an increasingly competitive world.Data Warehousing has grown out of the repeated attempts
		on the part of various researchers and organizations to provide their organizations flexible,
		effectiveand efficient means of getting at the sets of data that have come to represent one of
		the organization's most critical and valuable assets.
			
			Data Warehousing is a field that has grown out of the integration of a number of different
		technologies and experiences over the last two decades.