<reference_type xmlns="http://www.sqlparser.com/xml/ansi2003"> <kw_ref>{1,1}</kw_ref> <referenced_type>{1,1}</referenced_type> <scope_clause>{0,1}</scope_clause> </reference_type>
<xs:element name="reference_type"> <xs:complexType> <xs:sequence> <xs:element ref="kw_ref"/> <xs:element ref="referenced_type"/> <xs:element ref="scope_clause" minOccurs="0"/> </xs:sequence> </xs:complexType> </xs:element>