<alter_routine_characteristic xmlns="http://www.sqlparser.com/xml/ansi2003">
  <language_clause>{1,1}</language_clause>
  <parameter_style_clause>{1,1}</parameter_style_clause>
  <sql_data_access_indication>{1,1}</sql_data_access_indication>
  <null_call_clause>{1,1}</null_call_clause>
  <returned_result_sets_characteristic>{1,1}</returned_result_sets_characteristic>
  <external_routine_name_clause>{1,1}</external_routine_name_clause>
</alter_routine_characteristic>

<xs:element name="alter_routine_characteristic">
  <xs:complexType>
    <xs:choice>
      <xs:element ref="language_clause"/>
      <xs:element ref="parameter_style_clause"/>
      <xs:element ref="sql_data_access_indication"/>
      <xs:element ref="null_call_clause"/>
      <xs:element ref="returned_result_sets_characteristic"/>
      <xs:element name="external_routine_name_clause">
        <xs:complexType>
          <xs:sequence>
            <xs:element ref="kw_name"/>
            <xs:element ref="external_routine_name"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:choice>
  </xs:complexType>
</xs:element>

<external_routine_name_clause xmlns="http://www.sqlparser.com/xml/ansi2003">
  <kw_name>{1,1}</kw_name>
  <external_routine_name>{1,1}</external_routine_name>
</external_routine_name_clause>

<xs:element name="external_routine_name_clause">
  <xs:complexType>
    <xs:sequence>
      <xs:element ref="kw_name"/>
      <xs:element ref="external_routine_name"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>