How to check if MySQL returns null/empty?

Question

In DB I have a table with a field called fk_ownerID. By default, when I add a new table row, the fk_ownerID is empty. In Toad for MySQL, this is sh

Answer 1

Suppose

$row=mysql_fetch_row($rc)
and if you want to check if row[8] is null then do
$field=$row[8];
   if($field)
echo "";
else
 echo "";