Diagnosis From Release 3.0, the ABAP/4 Development Workbench contains the DataModeler for displaying and mantaining data models. The most important changes compared to the previous modeling tool are:
complete integration of the Data Modeler in the ABAP/4 Development
Workbench
models can be maintained
top-down design is supported
nested model and hierarchy display
Procedure Use the Data Modeler> to display and maintain your data models.Call the transaction SD11>. You can find detailed documentation of the Data Modeler via Help--> Extended help>.