The Study, Based On Data Warehousing, Enterprise Information Portal

The informalization has being more and more significant in China, at the same time, urgent problems, which are faced by enterprises are that the information island of the different departments, the speed of accessing the effectual information, and the curtailment of the cost. In order to solve these problems, the Enterprise Information Portal has been taken into enterprises' account. EIP was first raised by an American company, "Merril Lynch", in their investigation report "Move Over Yahoo! The Enterprise Information Portal is on its Way" in 1998. EIP are the new applications to facilitate the informalization of enterprises by combining the electronic portal and the traditional informalization method. Furthermore, Enterprise Information Portals (EIP) are an emerging market opportunity; an amalgamation of software applications that consolidate, manage, analyze and distribute information across and outside of an enterprise (including Business Intelligence, Content Management, Data Warehouse & Mart and Data Management applications). In addition, the developing of the Data Warehouse has provided the theoretical and technical support to the EIP. The data warehouse was provided detailed discussion and analysis by W.H. Inmon who is the father of it in his book "building the Data Warehouse" in 1980s. According to the more experience of researching, managing, and maintaining the enormous Database System, the more accurate definition was given which is "the Data Warehouse is the data aggregation which is facing theme, compositing, correlative with time, and non-revisable in the management and decision-making of enterprises". Enterprise Information Portals are applications that enable companies to unlock internally and externally stored information, and provide employees, customers, suppliers, and collaborators a single gateway to personalized information needed to make informed business decisions. These enormous data store in the enterprises' Data Warehouse, therefore, the technique of the Data Warehouse is a crucial fact to achieve the success of building EIP. It will integrate the...