Approximate Distinct Count Syntax - Aster Analytics

Version 1.0

SELECT * FROM ApproxDCountReduce (
  ON ( [ SELECT * FROM ] ApproxDCountMap (
    ON { table_name | view_name| (query) }
    InputColumns ({ 'input_column' | 'input_column_range' [,...])
    [ ErrorRate ('error_tolerance') ]
    )
  )
  PARTITION BY expression[,...]
);