Enterprise Data Warehouse Layer

For a detailed description of the Enterprise Data Warehouse layer, see Enterprise Data Warehouse Layer..

In the SAP NetWeaver Business Warehouse, the layers of the Enterprise Data Warehouse are mapped using the following objects:

Data Acquisition Layer:

• Persistent Staging Area (PSA)

Quality And Harmonization layer:

• Transformation

• Complex requirements could mean the data in the layer needs to be constantly saved. Depending on the requirements, the data is saved in:

  • Standard DataStore Object

  • Write-Optimized DataStore Object

Data Propagation Layer:

• Standard DataStore Object

• Using Semantic Partitioning

Corporate Memory:

• Write-Optimized DataStore Object