1.0 - 8.00 - When Reference Data Fits in Memory - Teradata Vantage

Teradata® Vantage Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.0
8.00
Release Date
May 2019
Content Type
Programming Reference
Publication ID
B700-4003-098K
Language
English (United States)

Use this syntax when one input (a or b) fits in memory. The function compares each record from a and each record from b. The number of comparisons is |a|*|b|.

Version 1.5

SELECT * FROM IdentityMatch (
  ON source_input_table AS a PARTITION BY ANY
  ON reference_input_table AS b DIMENSION
  USING
  IDColumn ('a.id_column: b.id_column')
  { NominalMatchColumns ('a.columnX: b.columnY' [,...]) |
    FuzzyMatchColumns ('a.columnX: b.columnY, match_metricmatch_weight [, synonym_file ]' [,...])
  }
  [ Accumulate ('{a|b}.accumulate_column' [,...]')]
  [ ThresholdScore (threshold) ]
) AS alias;