It is much more convenient during the testing phase to run the trigger monitor as a foreground process because all of the diagnostic messages will be visible in the command session window.
在测试阶段，将触发器监控器作为前台进程运行更方便，因为所有诊断消息将在命令会话窗口中可见。
2
Most of the monitor counters are cumulative, reflecting the total count of a particular activity since the last snapshot monitor reset within your session from which you are issuing your db2 command.
A Screen session is running (albeit unseen), and window a is active, running the top system monitor, which refreshes system performance information every few seconds.