EDIT_DISTANCE
Purpose
This function defines the Levenshtein distance between two strings, indicating their similarity.
Syntax
edit_distance::=
Usage Notes
- To check the phonetic equivalence of strings you can use the functions SOUNDEX and COLOGNE_PHONETIC.
- The number of changes is calculated which need to be done to convert one string into the other.
- The result is a number between 0 and the length of the wider string.