Multiple trigger conditions can exist in a single trigger rule. Action is done only when all or some of the conditions are met, depends on AND or or logic being applied.

触发规则可包含多个触发条件，依据AND或OR逻辑之不同，只有在所有条件或部分条件符合时才执行动作。

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You can use a SIGNAL statement to raise an error condition if the business rule defined in your trigger is violated.

如果违反了您在触发器中定义的业务规则，就可以使用signal语句来抛出一个错误条件信号。

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The presentation module would trigger a rule or a set of rules based on the current active page in the application and adapt the navigational links of that page to the user based on such rules.

表示层模型将会基于应用程序内的当前活动页面触发一个规则或一组规则，并将基于这些规则针对此用户相应调整该页面的导航链接。

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There is no hard-and-fast decision rule or trigger mechanism to which he or she must adhere in deciding whether supply conditions in the oil market justify an intervention.

FORBES: Will Obama Pull The Trigger On The Strategic Petroleum Reserve?

If margin rule changes for a minor commodity can trigger a general price run, imagine what would happen if a series of broad based rule changes were implemented.

FORBES: Fed Has Power To Pop Commodity Bubble

Still, it should have been fairly obvious that this rule was going to trigger the inevitable firestorm, particularly when the leadership of the Catholic Church has been warning for months that they were not going to let this one go by without a fight.

FORBES: Memo To Obama Administration: It's Tough Enough Out There Without Unforced Errors Like The Contraception Bruhaha