<unsigned_literal xmlns="http://www.sqlparser.com/xml/ansi2003"> <unsigned_numeric_literal>{1,1}</unsigned_numeric_literal> <general_literal>{1,1}</general_literal> </unsigned_literal>
<xs:element name="unsigned_literal"> <xs:complexType> <xs:choice> <xs:element ref="unsigned_numeric_literal"/> <xs:element ref="general_literal"/> </xs:choice> </xs:complexType> </xs:element>