After you add a characteristic it needs to be assigned to a dimension. Mapping from source system fields is done...
with the help of datasources, InfoSources, transfer rules and update rules. These are just some of the basics of BW, so you may want to refer to books or official documentation for more details.
Dig Deeper on SAP Business Warehouse
Related Q&A from Jay Narayanan
An SAP user is looking to assess the hardware requirements for an SAP BW application and wants to know what the parameters are of sizing hardware for... Continue Reading
An SAP user is looking to change the values of a characteristic in an SAP InfoCube and wants to know if it's possible to use virtual InfoCubes to ... Continue Reading
What is the difference between data on SAP R/3 and data on SAP BW? Continue Reading