Description of fuzzy_match

FUZZY_MATCH (
  ( LEVENSHTEIN 
    | DAMERAU_LEVENSHTEIN
    | JARO_WINKLER 
    | BIGRAM 
    | TRIGRAM 
    |  WHOLE_WORD_MATCH 
    | LONGEST_COMMON_SUBSTRING 
  ) , str1 "," str2 [, { UNSCALED | RELATE_TO_SHORTER | EDIT_TOLERANCE number } ] 
  )