语句示范：SELECT UPPER(F_TRANS_PINYIN_CAPITAL(dept_name)) FROM comm.dept_dict

函数：

CREATE OR REPLACE FUNCTION F_TRANS_PINYIN_CAPITAL(P_NAME IN VARCHAR2) RETURN VARCHAR2 AS

V_COMPARE VARCHAR2(100);

V_RETURN VARCHAR2(4000);

FUNCTION F_NLSSORT(P_WORD IN VARCHAR2) RETURN VARCHAR2 AS

BEGIN

RETURN NLSSORT(P_WORD,'NLS_SORT=SCHINESE_PINYIN_M');

END;

BEGIN

FOR I IN 1..LENGTH(P_NAME) LOOP

V_COMPARE := F_NLSSORT(SUBSTR(P_NAME, I, 1));

IF V_COMPARE >= F_NLSSORT(' 吖') AND V_COMPARE <= F_NLSSORT('驁') THEN

V_RETURN := V_RETURN ||'a';

ELSIF V_COMPARE >= F_NLSSORT('八') AND V_COMPARE <= F_NLSSORT('簿') THEN

V_RETURN := V_RETURN ||'b';

ELSIF V_COMPARE >= F_NLSSORT('嚓') AND V_COMPARE <= F_NLSSORT('錯') THEN

V_RETURN := V_RETURN ||'c';

ELSIF V_COMPARE >= F_NLSSORT('咑') AND V_COMPARE <= F_NLSSORT('鵽') THEN

V_RETURN := V_RETURN ||'d';

ELSIF V_COMPARE >= F_NLSSORT('妸') AND V_COMPARE <= F_NLSSORT('樲') THEN

V_RETURN := V_RETURN ||'e';

ELSIF V_COMPARE >= F_NLSSORT('发') AND V_COMPARE <= F_NLSSORT('猤') THEN

V_RETURN := V_RETURN ||'f';

ELSIF V_COMPARE >= F_NLSSORT('旮') AND V_COMPARE <= F_NLSSORT('腂') THEN

V_RETURN := V_RETURN ||'g';

ELSIF V_COMPARE >= F_NLSSORT('妎') AND V_COMPARE <= F_NLSSORT('夻') THEN

V_RETURN := V_RETURN ||'h';

ELSIF V_COMPARE >= F_NLSSORT('丌') AND V_COMPARE <= F_NLSSORT('攈') THEN

V_RETURN := V_RETURN ||'j';

ELSIF V_COMPARE >= F_NLSSORT('咔') AND V_COMPARE <= F_NLSSORT('穒') THEN

V_RETURN := V_RETURN ||'k';

ELSIF V_COMPARE >= F_NLSSORT('垃') AND V_COMPARE <= F_NLSSORT('擽') THEN

V_RETURN := V_RETURN ||'l';

ELSIF V_COMPARE >= F_NLSSORT('嘸') AND V_COMPARE <= F_NLSSORT('椧') THEN

V_RETURN := V_RETURN ||'m';

ELSIF V_COMPARE >= F_NLSSORT('拏') AND V_COMPARE <= F_NLSSORT('瘧') THEN

V_RETURN := V_RETURN ||'n';

ELSIF V_COMPARE >= F_NLSSORT('筽') AND V_COMPARE <= F_NLSSORT('漚') THEN

V_RETURN := V_RETURN ||'o';

ELSIF V_COMPARE >= F_NLSSORT('妑') AND V_COMPARE <= F_NLSSORT('曝') THEN

V_RETURN := V_RETURN ||'p';

ELSIF V_COMPARE >= F_NLSSORT('七') AND V_COMPARE <= F_NLSSORT('裠') THEN

V_RETURN := V_RETURN ||'q';

ELSIF V_COMPARE >= F_NLSSORT('亽') AND V_COMPARE <= F_NLSSORT('鶸') THEN

V_RETURN := V_RETURN ||'r';

ELSIF V_COMPARE >= F_NLSSORT('仨') AND V_COMPARE <= F_NLSSORT('蜶') THEN

V_RETURN := V_RETURN ||'s';

ELSIF V_COMPARE >= F_NLSSORT('侤') AND V_COMPARE <= F_NLSSORT('籜') THEN

V_RETURN := V_RETURN ||'t';

ELSIF V_COMPARE >= F_NLSSORT('屲') AND V_COMPARE <= F_NLSSORT('鶩') THEN

V_RETURN := V_RETURN ||'w';

ELSIF V_COMPARE >= F_NLSSORT('夕') AND V_COMPARE <= F_NLSSORT('鑂') THEN

V_RETURN := V_RETURN ||'x';

ELSIF V_COMPARE >= F_NLSSORT('丫') AND V_COMPARE <= F_NLSSORT('韻') THEN

V_RETURN := V_RETURN ||'y';

ELSIF V_COMPARE >= F_NLSSORT('帀') AND V_COMPARE <= F_NLSSORT('咗') THEN

V_RETURN := V_RETURN ||'z';

END IF;

END LOOP;

RETURN V_RETURN;

END;

注意：数据库字符集要为简体中文