在Oracle中調(diào)用函數(shù)時(shí),參數(shù)的傳遞方式可以分為以下幾種:
SELECT function_name(param1, param2) FROM dual;
SELECT function_name(param2 => value2, param1 => value1) FROM dual;
SELECT function_name(param1 => value1) FROM dual;
SELECT function_name(param1 => NULL) FROM dual;