Sometimes you want to know which users are created on a Business Warehouse system and if these have access or have been blocked from by incorrect logon. For this you can use the transaction rsusr200. In the transaction you can see the last login, the users validity, etc.
Sometimes you have to check the rights of users. For this you can use the transaction su53.
If you adjusts many objects in the Business Warehouse, a lot of transformations are automatically inactive. So you don't have to activate each transformation by hand, there is a ABAP program named RSDG_TRFN_ACTIVATE.
There are several ways to look at the structure of an InfoCube. One way possibility would be to analyze it on the transaction rsa1. Another way to show the structure of an InfoCube is the transaction listschema.
If you want to create automated reports with data from an SAP ERP or Business Warehouse system, you first need to connect to a SAP system. The connection can be used later to access system tables in the ERP or Business Warehouse or to trigger various other action.