1. A computer implemented method, the method comprising: selecting a plurality of data sources to be included in a business object-modeled database view entity, the plurality of data sources each including a pre-defined business object data structure having attributes; defining join conditions on the selected plurality of data sources; defining a set of attributes for the view entity by selecting attributes from the attributes of the plurality of data sources; saving the view entity to persist the set of attributes of the view entity; and presenting a graphical representation of the view entity, including an indication of the attributes of the view entity.