Design Of Tax Data Warehouse

Along with data warehouse technology fast development, many corporations, government and finance departments use this technology in broad domain. At the same time, tax department of our country accumulate a great deal of taxation data through incessant building information systems on kinds of plat. How to utilize these data sufficiently and provide efficient services for revenuers, is a big problem to be resolved imminentlyData warehouse is not a product, but a kind of system framework that can be design. This article's content is how to design the tax data warehouse.This article mainly introduces the base theory of data warehouse firstly. It proposes a design project combining requirements of revenuers for the framework of tax data warehouse, and confirms the emphases of design work. Secondly, it lucubrate the designing steps of data warehouse following the theory of dimensional modeling. These steps are such as analyzing taxation data, design of logistic model and physical model, integrating and distributing taxation data. And it also summarizes the method of building the dimensional model and dealing with slowly changed dimensionality. Then this article proposes a project to build the tax data warehouse normally. At last it analyses the security problem in tax data warehouse system and proposes a solution to resolve it.