 when more than one key is defined</td><td bgcolor="green">valid</td><td bgcolor="blue">invalid</td><td bgcolor="red">true</td></tr><tr><td>msData/identityConstraint/idZ006.xml</td><td>TEST :Identity-constraint Definition Schema Component : test Validation of keys when more than one key is defined</td><td bgcolor="green">valid</td><td bgcolor="blue">invalid</td><td bgcolor="red">true</td></tr><tr><td>msData/identityConstraint/idZ007.xml</td><td>TEST :Identity-constraint Definition Schema Component : Values 