<sql_schema_manipulation_statement xmlns="http://www.sqlparser.com/xml/ansi2003">
  <drop_schema_statement>{1,1}</drop_schema_statement>
  <alter_table_statement>{1,1}</alter_table_statement>
  <drop_table_statement>{1,1}</drop_table_statement>
  <drop_view_statement>{1,1}</drop_view_statement>
  <alter_routine_statement>{1,1}</alter_routine_statement>
  <drop_routine_statement>{1,1}</drop_routine_statement>
  <drop_user_defined_cast_statement>{1,1}</drop_user_defined_cast_statement>
  <revoke_statement>{1,1}</revoke_statement>
  <drop_role_statement>{1,1}</drop_role_statement>
  <alter_domain_statement>{1,1}</alter_domain_statement>
  <drop_domain_statement>{1,1}</drop_domain_statement>
  <drop_character_set_statement>{1,1}</drop_character_set_statement>
  <drop_collation_statement>{1,1}</drop_collation_statement>
  <drop_transliteration_statement>{1,1}</drop_transliteration_statement>
  <drop_assertion_statement>{1,1}</drop_assertion_statement>
  <drop_trigger_statement>{1,1}</drop_trigger_statement>
  <alter_type_statement>{1,1}</alter_type_statement>
  <drop_data_type_statement>{1,1}</drop_data_type_statement>
  <drop_user_defined_ordering_statement>{1,1}</drop_user_defined_ordering_statement>
  <alter_transform_statement>{1,1}</alter_transform_statement>
  <drop_transform_statement>{1,1}</drop_transform_statement>
  <alter_sequence_generator_statement>{1,1}</alter_sequence_generator_statement>
  <drop_sequence_generator_statement>{1,1}</drop_sequence_generator_statement>
</sql_schema_manipulation_statement>

<xs:element name="sql_schema_manipulation_statement">
  <xs:complexType>
    <xs:choice>
      <xs:element ref="drop_schema_statement"/>
      <xs:element ref="alter_table_statement"/>
      <xs:element ref="drop_table_statement"/>
      <xs:element ref="drop_view_statement"/>
      <xs:element ref="alter_routine_statement"/>
      <xs:element ref="drop_routine_statement"/>
      <xs:element ref="drop_user_defined_cast_statement"/>
      <xs:element ref="revoke_statement"/>
      <xs:element ref="drop_role_statement"/>
      <xs:element ref="alter_domain_statement"/>
      <xs:element ref="drop_domain_statement"/>
      <xs:element ref="drop_character_set_statement"/>
      <xs:element ref="drop_collation_statement"/>
      <xs:element ref="drop_transliteration_statement"/>
      <xs:element ref="drop_assertion_statement"/>
      <xs:element ref="drop_trigger_statement"/>
      <xs:element ref="alter_type_statement"/>
      <xs:element ref="drop_data_type_statement"/>
      <xs:element ref="drop_user_defined_ordering_statement"/>
      <xs:element ref="alter_transform_statement"/>
      <xs:element ref="drop_transform_statement"/>
      <xs:element ref="alter_sequence_generator_statement"/>
      <xs:element ref="drop_sequence_generator_statement"/>
    </xs:choice>
  </xs:complexType>
</xs:element>