You can use MDG's Web Workbench to do normal MDG data modeling tasks using below url
http://<host>:<ITS-Port>/sap/bc/webdynpro/sap/wda_mdg_dt_conf_workbench?FROM_TRANS=X&sap-client=800&sap-language=EN#
Purpose | Know details of generated tables for MDG data models. |
Report (SE38) | USMD_DATA_MODEL |