Como excluir um registro mysql com jquery

<tr>
       <td><?php echo $row['id']; ?></td>
       <td><?php echo $row['title']; ?></td>
       <td><?php echo $row['description']; ?></td>
       <td><div class="delete_class" id="<?php echo $row['id']; ?>">Delete</div></td>
</tr>

$(document).ready(function(){
 $(".delete_class").click(function(){
   var del_id = $(this).attr('id');
   $.ajax({
      type:'POST',
      url:'delete_page.php',
      data:'delete_id='+del_id,
      success:function(data) {
        if(data) {   // DO SOMETHING
        } else { // DO SOMETHING }
      }
   });
 });
});

$id = $_POST['delete_id'];
$query = "delete from TABLE NAME where ID = $id";