<merge_operation_specification xmlns="http://www.sqlparser.com/xml/ansi2003"> <merge_when_clause>{1,unbounded}</merge_when_clause> </merge_operation_specification>
<xs:element name="merge_operation_specification"> <xs:complexType> <xs:sequence> <xs:element ref="merge_when_clause" maxOccurs="unbounded"/> </xs:sequence> </xs:complexType> </xs:element>