Why the calendar discovers trigger

Hello

I have crossed on trigger on the view we have time before or after why that please someone tell me.

What is a rather relaxing? In this case it won't just before or after.
If it is instead of insert, then the trigger occurs when code is an insert in the view.
What is your case? Cause I can't understand what you mean, unless you describe more in detail your problem.

When views are produced by joining several tables, then, how an insert/update / delete this view? Which of the tables involved in the selection that produces the view must be the DML target? To resolve this problem, on the contrary - triggers are used. And they perform DML instructions on one of the tables that are used to produce the view (and may do other things). This is why there is no before or after paragraph to these triggers.

Tags: Database

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