SAP BW330

The Enterprise Data Warehouse is:

• The sum of all deicions made for the entire company
• to produce a valid and stable corporate data warehouse solution
• that satisfies all of the demands for integrated and consistently structured information.
• To achieve this, it is necessary to adhere to generally accepted guidelines.
• The architecture is a "system design" decision that is valid and stable for a specific period of time.

1. Data Acquisition
2. Primary Storage Management / Transformation
3. Data Delivery

• control redundancies in
  • Data
  • (Extraction/Staging) Process
  • Data Models
• achieve satisfactory performance
• flexibility
  • satisfy new unknown demands
  • cope with new situations without destroying existing scenarios or objects, and deliver on time and complete

The Layererd Scalable Architecture (LSA) is the implementation of the EDW architecture with the means provided by SAP NetWeaver BW.

The term has been coined by SAP to distinguish its implementation from the more generic term EDW architecture and to register it as a trademark ;)