my sql error: please help as soon as possible : my code shows the following error:  I did not understand how to correct it
you have an error in your sql syntax , check the manual corresponds to your mysql server version for the right syntax to use near ')'at line 1

$query="insert into subjective_result(marks,roll_no)values($marks,$roll)";     
mysql_query($query)or die(mysql_error());
 please help me to sort out it.
