<directly_executable_statement xmlns="http://www.sqlparser.com/xml/ansi2003">
  <direct_sql_data_statement>{1,1}</direct_sql_data_statement>
  <sql_schema_statement>{1,1}</sql_schema_statement>
  <sql_transaction_statement>{1,1}</sql_transaction_statement>
  <sql_connection_statement>{1,1}</sql_connection_statement>
  <sql_session_statement>{1,1}</sql_session_statement>
  <direct_implementation_defined_statement>{1,1}</direct_implementation_defined_statement>
</directly_executable_statement>

<xs:element name="directly_executable_statement">
  <xs:complexType>
    <xs:choice>
      <xs:element ref="direct_sql_data_statement"/>
      <xs:element ref="sql_schema_statement"/>
      <xs:element ref="sql_transaction_statement"/>
      <xs:element ref="sql_connection_statement"/>
      <xs:element ref="sql_session_statement"/>
      <xs:element ref="direct_implementation_defined_statement"/>
    </xs:choice>
  </xs:complexType>
</xs:element>