VectorDistance Syntax - Teradata Vantage

Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
8.10
1.1
Published
October 2019
Language
English (United States)
Last Update
2019-12-31
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dita:id
B700-4003
lifecycle
previous
Product Category
Teradata Vantageā„¢

Version 1.3

SELECT * FROM VectorDistance (
  ON target_input_table AS TargetTable PARTITION BY target_id_column [,...]
  ON ref_input_table AS ReferenceTable DIMENSION
  USING
  TargetIDColumns ({ 'target_id_column' | target_id_column_range }[,...])
  TargetFeatureColumn ('target_feature_column')
  [ TargetValueColumn ('target_value_column') ]
  [ RefIDColumns ({ 'ref_id_column' | ref_id_column_range }[,...])
  [ RefTableSize ({ 'SMALL' | 'LARGE' }) ]
  [ RefFeatureColumn ('ref_feature_column') ]
  [ RefValueColumn ('ref_value_column') ]
  [ DistanceMeasure ({ 'cosine' | 'euclidean' | 'manhattan' | 'binary' }[,...])]
  [ IgnoreMismatch ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
  [ ReplaceInvalid ({ 'PositiveInfinity' |'NegativeInfinity' | custom })]
  [ TopK (k) ]
  [ MaxDistance (threshold [,...]) ]
) AS alias;