12. The computer program product in accordance with claim 10 , wherein the particular logical data model is mapped to a single physical data model.
12. The computer program product in accordance with claim 10 , wherein the particular logical data model is mapped to a single physical data model. 13. The computer program product in accordance with claim 12 , wherein the computing system includes a cache configured to cache results of at least some model queries previously made to any of the plurality of logical data models.