10. The non-transitory computer-readable storage medium of claim 8 , wherein the entities in the data model are associated with tables in a relational database, and wherein the method further comprises using the displayed path expressions to determine a join statement in the relational database.
8. The non-transitory computer-readable storage medium of claim 7 , wherein the method further comprises displaying path expressions which are associated with the determined paths, wherein a path expression is an alternating sequence of entity names and relationship names.