摘要 : The rapid developments in the field of information technology - from e-business via CRM to Data "Warehouse - implicate real competitive advantages for the enterprise only by complete integration of all parts of computer applicatio... 展开 The rapid developments in the field of information technology - from e-business via CRM to Data "Warehouse - implicate real competitive advantages for the enterprise only by complete integration of all parts of computer applications. Thereby technical and planning challenges are to be solved. 收起