ocating an attribute</td><td bgcolor="green">valid</td><td bgcolor="blue">invalid</td><td bgcolor="red">true</td></tr><tr><td>msData/identityConstraint/idK007.xml</td><td>TEST :Identity-constraint Definition Schema Component : keyref fields locating an attribute refers to a key locating an attribute</td><td bgcolor="green">valid</td><td bgcolor="blue">invalid</td><td bgcolor="red">true</td></tr><tr><td>msData/identityConstraint/idK008.xml</td><td>TEST :Identity-constraint Definition Schema Component : keyre