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