Explanation : SAP BI as an Data Warehousing solution has the below listed layers in it.
- Extraction, Transformation and Load (ETL) layer - responsible for extracting data from a specific source, applying transformation rules, and loading it into the Data Warehouse Area.
- Data Warehouse Area - responsible for storing the information in various types of structures (e.g. Data Store Objects, InfoObjects and multidimensional structures called InfoCubes that follows star schema design).
- Reporting - for accessing the information in data warehouse area and presenting it in a user-friendly manner to the analyst or business user.
- Planning and analysis - Provides capabilities for the user to run simulations and perform tasks such as demand over a period of time or spend on sector.