            $count += $db->dropTable($basename);
        }

        flash('message', gt('Deleted').' '.$count.' '.gt('unused tables').'.');
        expHistory::back();
    }
The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.