public function show_procedures()
{
$this->check_parameters(func_num_args(), $expected_num_args = 1, __METHOD__);
$args = func_get_args();
return "SELECT SPECIFIC_NAME AS procedure_name " . "FROM INFORMATION_SCHEMA.ROUTINES " . "WHERE ROUTINE_TYPE='PROCEDURE' AND ROUTINE_SCHEMA='{$args[0]}'";
}