触发器

[chù fā qì]

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Definition:
AllAll,triggertrigger,toggletoggle,flip-flopflip-flop,TriggersTriggers,JKJK,flip-flopsflip-flops
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
Returns the name of the stored procedure or trigger where an error occurred that caused the CATCH block of a TRYCATCH construct to be run.
返回在其中出现了导致TRYCATCH构造的CATCH块运行的错误的存储过程或触发器的名称。
fǎn huí zài qí zhōng chū xiàn le dǎo zhì TRYCATCH gòu zào de CATCH kuài yùn xíng de cuò wù de cún chǔ guò chéng huò chù fā qì de míng chēng 。
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2.
In general, any method that you expect external applications to call must be defined as a trigger.
一般情况下，您期望外部应用程序调用的任何方法都必须定义为触发器。
yì bān qíng kuàng xià , nín qī wàng wài bù yìng yòng chéng xù diào yòng de rèn hé fāng fǎ dōu bì xū dìng yì wèi chù fā qì 。
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3.
Event notifications do not fire by an action defined in a trigger when the transaction is committed or rolled back inside the trigger.
如果在触发器内提交或回滚事务，则触发器中定义的操作不会激发事件通知。
rú guǒ zài chù fā qì nèi tí jiāo huò huí gǔn shì wù , zé chù fā qì zhōng dìng yì de cāo zuò bú huì jī fā shì jiàn tōng zhī 。
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4.
The UPDATE executed by the trigger is processed against the view as if the view did not have an INSTEAD OF trigger.
对视图处理由该触发器执行的UPDATE语句时，就像该视图没有INSTEADOF触发器一样。
duì shì tú chǔ lǐ yóu gāi chù fā qì zhí xíng de UPDATE yǔ jù shí , jiù xiàng gāi shì tú méi yǒu INSTEADOF chù fā qì yí yàng 。
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5.
The next item is to set up the trigger monitor to run as a service.
第二个任务是设置触发器监控器，以便它作为一个服务运行。
dì èr gè rèn wu shì shè zhì chù fā qì jiān kòng qì , yǐ biàn tā zuò wéi yī gè fú wù yùn xíng 。
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6.
Please note that the global variable cannot be dropped if it is referenced in a function, method, trigger or view.
请注意，如果函数、方法、触发器或视图中引用了某个全局变量，则不能删除该变量。
qǐng zhù yì , rú guǒ hán shù 、 fāng fǎ 、 chù fā qì huò shì tú zhōng yǐn yòng le mǒu gè quán jú biàn liàng , zé bù néng shān chú gāi biàn liàng 。
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7.
A view with an INSTEAD OF UPDATE trigger cannot be a target of an UPDATE with a FROM clause.
带INSTEADOFUPDATE触发器的视图不能是含有FROM子句的UPDATE的目标。
dài INSTEADOFUPDATE chù fā qì de shì tú bù néng shì hán yǒu FROM zǐ jù de UPDATE de mù biāo 。
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8.
NOTE In the case of a single, integrated table, this trigger is not needed at all; once a row is deleted, that's it.
注对于添加了空间列的源表，根本不需要这个触发器；一旦删除了一行，它就消失了。
zhù duì yú tiān jiā le kōng jiān liè de yuán biǎo , gēn běn bù xū yào zhè ge chù fā qì ; yí dàn shān chú le yì háng , tā jiù xiāo shī le 。
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9.
Set a trap for the WINCH signal as well, and assign the get_window_size function to be the trigger of the trapped signal.
为WINCH信号设置一个陷阱，同时指定get_window_size函数作为捕获到的信号的触发器。
wèi WINCH xìn hào shè zhì yī gè xiàn jǐng , tóng shí zhǐ dìng get_window_size hán shù zuò wéi bǔ huò dào de xìn hào de chù fā qì 。
www.ibm.com
10.
This implied transaction is still in effect, however, when a trigger is called.
但是，当调用触发器时，此隐式事务仍然有效。
dàn shì , dāng diào yòng chù fā qì shí , cǐ yǐn shì shì wù réng rán yǒu xiào 。
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