获取汉字拼音和拼音首字母的功能函数；

--函数GetHzFullPY(string)用于获取汉字字符串的拼音

--select GetHzFullPY( 中华人民共和国 ) from dual

--返回：ZhongHuaRenMinGongHeGuo



--函数GetHzPYCAP(string)用于获取拼音首字母

--select GetHzPYCAP( 中华人民共和国 ) from dual

--返回ZHRMGHG-Access to Chinese characters and phonetic alphabet the first letter of the performance function - function GetHzFullPY (string) for access to Chinese Pinyin string- select GetHzFullPY (People s Republic of China) from dual- to return to: ZhongHuaRenMinGongHeGuo- function GetHzPYCAP (string) to use access to the first letter in the alphabet- select GetHzPYCAP (People s Republic of China) from dual- to return to ZHRMGHG