Phonetic Functions
TDV supports the phonetic functions listed in the table. The TDV functions are modeled on Netezza implementations. For further information, follow this link.
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DBL_MP
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DBL_MP (string_expression) returns a TDV 32-bit numeric expression of the input argument.
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NYSIIS
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NYSIIS (string_expression) returns a Soundex representation of the input argument using the New York State Identification and Intelligence System (NYSIIS) variation of Soundex.
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PRI_MP
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PRI_MP (numeric_expression) returns the four-character primary metaphone string from the numeric_expression returned by DBL_MP.
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SCORE_MP
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SCORE_MP (numeric_expression1, numeric_expression2) returns a score for how closely the two numeric expressions match.
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SEC_MP
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SEC_MP (numeric_expression) returns the four-character secondary metaphone string from the numeric_expression returned by DBL_MP.
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SOUNDEX
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SOUNDEX function returns a four-character code to evaluate the similarity of two expressions.
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DIFFERENCE
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Returns an integer value that indicates the difference between the values returned by the SOUNDEX function for string_exp1 and string_exp2.
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