OF " ". " " OID ' ' SUBSTITUTABLE AT ALL LEVELS NOT SUBSTITUTABLE AT ALL LEVELS OIDINDEX OIDINDEX OIDINDEX ( INDEX ) (PRIMARY KEY ( )) OBJECT ID PRIMARY KEY OUT_OF_LINE XMLSCHEMA " " ELEMENT " " ID STORE ALL VARRAYS AS LOBS DISALLOW NONSCHEMA ALLOW NONSCHEMA ALLOW ANYSCHEMA DISALLOW ANYSCHEMA