LSA Data Domains

For large BW systems, especially for global ones, the LSA recommends standardized semantic partitioning of the transaction data. Standardized means that all or some of the InfoProviders are partitioned according to the same partition criterion. Semantic partitioning of data should remain stable over a period of time. Organizational characteristics such as the controlling area (0CO_AREA) can serve as partitioning criteria. The parts of BW that are created in this way are called domains in the LSA.

This graphic shows an example of how transaction data can be separated into three domains:

Depending on how the source systems are structured, the data in the data acquisition layer is either merged or split. Note that the corporate memory is not split into domains.

This is an example of how data can be split into LSA domains:

This is an example of how data can be merged into LSA domains: