触发器里面for | after | instead of有啥区别呀?

触发器里面for | after | instead of有啥区别呀? 触发器的FOR是什么意思? 创建触发器时后面跟for ,after,instead of有何区别 触发器形式after不能在视图上定义,for也是这样吗? after和instead of触发器的具体示例 after I read for two hours ,I felt _______(boring) for each row 触发器中的这个是什么意思 是不是必不可少 每个触发器都必须有? After class I have s____ for two hours. I want to look after you for a lifetime翻译 After I leave,angels will love you for me I have a hour have science after lesson one for After class I have -----for two hours.(填空） After lunch,I sleep for an hour ( ) (one) Since he left after I have been looking for living. I absolutely after not for anyone moving true affection, I was waiting for elevator when I heard he call () me.for/after/with/to after I had lunch...After I__it...A.paid for B.eaten C.kept D.bought 数字电子技术里面,讲触发器的时候里面有Q,Q‘,Q*,