<from_subquery xmlns="http://www.sqlparser.com/xml/ansi2003"> <insert_column_list>{0,1}</insert_column_list> <override_clause>{0,1}</override_clause> <query_expression>{1,1}</query_expression> </from_subquery>
<xs:element name="from_subquery"> <xs:complexType> <xs:sequence> <xs:element ref="insert_column_list" minOccurs="0"/> <xs:element ref="override_clause" minOccurs="0"/> <xs:element ref="query_expression"/> </xs:sequence> </xs:complexType> </xs:element>