สอบถามเกี่ยวกับ delete mysqli prepared statement rows from multiple tables

/* del  brand */ 
$sqlb = "SELECT bran_id,bran_img FROM business_brand WHERE group_id=? AND comp_id=?";
$stmtb =  $connect -> prepare($sqlb);
$stmtb -> bind_param('ii', $ig, $ic);
$stmtb -> execute();
$stmtb -> bind_result($bran_id,$bran_img);
 
 
while($stmtb -> fetch()){
                //echo $bran_img;
   $sql_db = "DELETE FROM business_brand WHERE bran_id=?";
   $stmtdb = $connect -> prepare($sql_db);
   $stmtdb -> bind_param('i', $bran_id);
   $reldb = $stmtdb -> execute(); //or die($stmt->error);
   if($reldb){
     if($bran_img != ""){  @unlink("../../upload/business/".$bran_img);  }
   }
   $stmtdb -> close(false);
}
 
$stmtb -> close();