Approximate Cardinality Syntax - Teradata Vantage

Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
8.00
1.0
Published
May 2019
Language
English (United States)
Last Update
2019-11-22
dita:mapPath
blj1506016597986.ditamap
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dita:id
B700-4003
lifecycle
previous
Product Category
Teradata Vantage™

ApproxCardinalityReduce version 1.3, ApproxCardinalityMap version 1.2

SELECT * FROM ApproxCardinalityReduce (
  ON ( [ SELECT * FROM ] ApproxCardinalityMap (
    ON { table | view | (query) }
    USING
    InputColumns ({ 'input_column' | input_column_range [,...])
    [ ErrorRate (error_tolerance) ]
    ) AS alias_1
  ) PARTITION BY column_name
) AS alias_2;