From SAP Insider: Key Considerations for Formulating an Enterprise Data Warehouse Strategy
Approaches to, and even definitions of, an enterprise data warehouse (EDW) vary based on an organization’s architecture and application landscape. Accordingly, as you formulate an EDW strategy, you need a methodology that is well-defined and tailored to your organization’s needs. First, you have to understand the motivations behind creating an EDW. Next, you should assess your organization’s skills and financial and technical capabilities. From the results of these two initial efforts, you can then define and prioritize goals for your EDW program.