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diff --git a/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/test/java/org/apache/tuscany/das/rdb/test/ImpliedRelationshipTests.java b/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/test/java/org/apache/tuscany/das/rdb/test/ImpliedRelationshipTests.java
new file mode 100644
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+++ b/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/test/java/org/apache/tuscany/das/rdb/test/ImpliedRelationshipTests.java
@@ -0,0 +1,112 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.das.rdb.test;
+
+import java.util.Iterator;
+
+import org.apache.tuscany.das.rdb.Command;
+import org.apache.tuscany.das.rdb.ConfigHelper;
+import org.apache.tuscany.das.rdb.DAS;
+import org.apache.tuscany.das.rdb.config.Relationship;
+import org.apache.tuscany.das.rdb.test.data.CustomerData;
+import org.apache.tuscany.das.rdb.test.data.OrderData;
+import org.apache.tuscany.das.rdb.test.framework.DasTest;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.Property;
+
+public class ImpliedRelationshipTests extends DasTest {
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        new CustomerData(getAutoConnection()).refresh();
+        new OrderData(getAutoConnection()).refresh();
+    }
+
+    protected void tearDown() throws Exception {
+        super.tearDown();
+    }
+
+    /**
+     * Ensure that an implied relationship is not created when a defined one already exists
+     * 
+     * @throws Exception
+     */
+    public void testRelationshipAlreadyDefined() throws Exception {
+        ConfigHelper helper = new ConfigHelper();
+        Relationship r = helper.addRelationship("CUSTOMER.ID", "ANORDER.CUSTOMER_ID");
+        r.setName("definedRelationship");
+
+        DAS das = DAS.FACTORY.createDAS(helper.getConfig(), getConnection());
+        Command select = das.createCommand("select * from CUSTOMER left join ANORDER "
+                + "ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
+
+        DataObject root = select.executeQuery();
+        DataObject cust = root.getDataObject("CUSTOMER[1]");
+        Iterator i = cust.getType().getProperties().iterator();
+        while (i.hasNext()) {
+            Property p = (Property) i.next();
+            if (!p.getType().isDataType()) {
+                assertEquals(p.getName(), "definedRelationship");
+            }
+        }
+    }
+
+    /**
+     * Add a new Order to a list of Customers without defining any config information
+     * 
+     * @throws Exception
+     */
+    public void testAddNewOrder() throws Exception {
+        DAS das = DAS.FACTORY.createDAS(getConnection());
+
+        Command select = das.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER "
+                + "ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
+
+        DataObject root = select.executeQuery();
+
+        DataObject cust = root.getDataObject("CUSTOMER[1]");
+
+        // Save ID and Order Count
+        int custID = cust.getInt("ID");
+        int custOrderCount = cust.getList("ANORDER").size();
+
+        // Create a new Order and add to customer1
+        DataObject order = root.createDataObject("ANORDER");
+
+        order.set("ID", Integer.valueOf(99));
+        order.set("PRODUCT", "The 99th product");
+        order.set("QUANTITY", Integer.valueOf(99));
+        cust.getList("ANORDER").add(order);
+
+        assertEquals(custOrderCount + 1, cust.getList("ANORDER").size());
+
+        // Build apply changes command
+        das.applyChanges(root);
+
+        // verify cust1 relationship updates
+        select = das.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID "
+                 + "where CUSTOMER.ID = ?");
+
+        select.setParameter(1, Integer.valueOf(custID));
+        root = select.executeQuery();
+
+        assertEquals(custOrderCount + 1, root.getList("CUSTOMER[1]/ANORDER").size());
+    }
+}