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The four functions included in the package use different methods to compare a source string and destination string, and return an assessment of what it would take to turn the source string into the destination string.
This functionality is defined as a stand-alone package header compiled with PRAGMA INTERFACE(c....
This package was deprecated as of 05-October-2017 but is still present in version 19.3.
Instead of simply calculating the number of steps required to change the source string to the destination string,
determines how closely the two strings agree with each other and tries to take into account the possibility of a data entry error
s1 IN VARCHAR2,
s2 IN VARCHAR2)
SELECT utl_match.jaro_winkler('expresso', 'espresso') DIST