An after-insert trigger on the IWH.EDITION table is not useful, as only rows with a status value of start would be intercepted.

edition表上的after - insert触发器并非很有用，因为它只能截获其status值为start的记录行。

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A workaround to this is to supply a default value to the not NULL column whose value comes from a BEFORE INSERT TRIGGER, so that the constraint is not violated.

一种解决方法是给从BEFORE INSERT触发器取得值的NOT null列提供默认值，这样就不会违反约束。

youdao

In Oracle 10g, if there is a BEFORE INSERT TRIGGER and a NOT NULL constraint on a table, then the BEFORE TRIGGER is executed first, and then the constraint check is performed.

在Oracle 10 g中，如果表上同时存在BEFORE INSERT触发器和NOT NULL约束，那么先执行BEFORE触发器，然后执行约束检查。

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Rather, when trigger-happy lawmakers insert themselves into fast-moving technology markets, the law that gets invoked more often than not is the law of unintended consequences.

FORBES: What Does Silicon Valley Need from Washington? Less.

Insert a foil pack of powdered insulin into a slot, prime the pump with a lever and push a trigger that releases the cloud of insulin into a clear plastic chamber.

FORBES: Magazine Article