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