Unpack構文 - Teradata Database - Teradata Vantage NewSQL Engine

SELECT * FROM Unpack (
  ON { table | view | (query) }
  USING
  TargetColumn ('target_column')
  OutputColumns ('output_column' [,...])
  OutputDataTypes ('datatype' [,...])
  [ Delimiter ('delimiter') ]
  [ ColumnLength ('column_length' [,...] ) ]
  [ Regex ('regular_expression') ]
  [ RegexSet ('group_number') ]
  [ IgnoreInvalid ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
) AS alias;