Oracle EBS：Oracle 字符集到Windows字符集的转换

BEGIN
SELECT v.tag
INTO l_client_charset
FROM fnd_lookup_values_vl v
WHERE v.lookup_type = 'FND_ISO_CHARACTER_SET_MAP'
AND v.lookup_code =
fnd_profile.value('FND_NATIVE_CLIENT_ENCODING')
AND v.enabled_flag = 'Y'
AND trunc(SYSDATE) BETWEEN
nvl(v.start_date_active, trunc(SYSDATE - 1)) AND
nvl(v.end_date_active, trunc(SYSDATE + 1));
EXCEPTION
WHEN no_data_found THEN
l_client_charset := 'UTF-8';
END;