helper.setDataObjectModel(typeUri);
helper.addTable("CUSTOMER", "Customer");
helper.addPrimaryKey("CUSTOMER.ID");
DataObject graph = new GraphMerger().emptyGraph(helper.getConfig());
Customer c = (Customer) graph.createDataObject("Customer");
c.setID(4000);
c.setLastName("Smith");
c.setAddress("400 Fourth Street");
DAS das = DAS.FACTORY.createDAS(helper.getConfig(), getConnection());
das.applyChanges(graph);
Command cmd = das.createCommand("select * from CUSTOMER order by ID desc");