Levenshtein Distance은 두 문자열간의 얼마나 유사한지를 알아내는 알고리즘으로
편집거리(Edit Distance)라고도 한다.
오라클에서 편집거리를 계산하는 function이 없으면 다른 언어로 되어 있는것을
컨버팅할까 하다가 다행히 구글에서 찾아보니 아래와 같이 하면 된다는것을 알게되었다.
SELECT UTL_MATCH.edit_distance('모람', '모람') FROM DUAL;
SELECT UTL_MATCH.edit_distance('모람', '모람A') FROM DUAL;
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