<alter_transform_statement xmlns="http://www.sqlparser.com/xml/ansi2003">
  <kw_alter>{1,1}</kw_alter>
  <transform_or_transforms>{1,1}</transform_or_transforms>
  <kw_for>{1,1}</kw_for>
  <schema_resolved_user_defined_type_name>{1,1}</schema_resolved_user_defined_type_name>
  <alter_group>{1,unbounded}</alter_group>
</alter_transform_statement>

<xs:element name="alter_transform_statement">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="kw_alter"/>
      <xs:element ref="transform_or_transforms"/>
      <xs:element ref="kw_for"/>
      <xs:element ref="schema_resolved_user_defined_type_name"/>
      <xs:element ref="alter_group" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>