SHOW COLUMNS 
FROM 
  cscart_cp_web_images_for_change

Query time 0.00055

Result

object(mysqli_result)#497 (5) {
  ["current_field"]=>
  int(0)
  ["field_count"]=>
  int(6)
  ["lengths"]=>
  NULL
  ["num_rows"]=>
  int(3)
  ["type"]=>
  int(0)
}