The past few decades had shown explosive of products and services related to data warehousing[1][2].This is as consequences of most large companies worldwide had established Data Warehouse (DW) as one of their main component in information system environment. DW has become the standard tools and essential component of decision support system [3],[4]. In addition, it has been successfully deployed in many industries such as manufacturing, retail business, financial services, transportation, telecommunication, utilities and healthcare [5] to support decision making. DW is built to improve decision making system[6][7] by providing consistent, timely, subject oriented information at the required level of detail [8].It produces concise analysis to assist decision maker and increases organization corporeal performance.