<preparable_statement xmlns="http://www.sqlparser.com/xml/ansi2003">
  <preparable_sql_data_statement>{1,1}</preparable_sql_data_statement>
  <preparable_sql_schema_statement>{1,1}</preparable_sql_schema_statement>
  <preparable_sql_transaction_statement>{1,1}</preparable_sql_transaction_statement>
  <preparable_sql_control_statement>{1,1}</preparable_sql_control_statement>
  <preparable_sql_session_statement>{1,1}</preparable_sql_session_statement>
  <preparable_implementation_defined_statement>{1,1}</preparable_implementation_defined_statement>
</preparable_statement>

<xs:element name="preparable_statement">
  <xs:complexType>
    <xs:choice>
      <xs:element ref="preparable_sql_data_statement"/>
      <xs:element ref="preparable_sql_schema_statement"/>
      <xs:element ref="preparable_sql_transaction_statement"/>
      <xs:element ref="preparable_sql_control_statement"/>
      <xs:element ref="preparable_sql_session_statement"/>
      <xs:element ref="preparable_implementation_defined_statement"/>
    </xs:choice>
  </xs:complexType>
</xs:element>