参考地址:https://www.cnblogs.com/lytwajue/p/6812556.html
Oracle函数: SYS.UTL_MATCH.EDIT_DISTANCE_SIMILARITY(str,patternStr)
SQL示例:
SELECT e.*,SYS.UTL_MATCH.EDIT_DISTANCE_SIMILARITY(e.ename,'SC') xsd FROM emp eORDER BY xsd DESC