The DIFFERENCE() function compares two SOUNDEX values, and returns an integer. The integer value indicates the match for the two SOUNDEX values, from 0 to 4.0 indicates weak or no similarity between the SOUNDEX values. 4 indicates strong similarity or identically SOUNDEX values....
Thedifference()method returns a set that contains the difference between two sets. Meaning: The returned set contains items that exist only in the first set, and not in both sets. As a shortcut, you can use the-operator instead, see example below. ...
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