https://blog.csdn.net/gz775/article/details/79083608
https://blog.csdn.net/jc_benben/article/details/79218864
https://blog.csdn.net/LU142857/article/details/82701824
https://www.jb51.net/article/179285.htm
这个例子挺好的
https://wuzhuti.cn/sql-server-trigger-data-history