Oracle汉字转拼音包UTF8

示例：首字母大写：SELECT gethzpy.GetHzFullPY('杨明月') py FROM dual;全小写：SELECT gethzpy.GetHzFullPYLOWER('杨明月') py FROM dual;全大写：SELECT gethzpy.GetHzFullPYUPPER('杨明月') py FROM dual;只取首字母并且大写：SELECT gethzpy.GetHzPYCAP('杨明月') py FROM dual;只取首字母并且为小写：SELECT gethzpy.GetHzPYCAPLOWER('杨明月') py FROM dual;