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PostgreSQL PGCES-02 Exam - Topic 2 Question 73 Discussion

Select two incorrect statements regarding 'TRIGGER'.
C) When SELECT is executed to the table, the specified function can be called. and E) A corresponding rule is automatically created when a trigger is created.
A) When UPDATE is executed to the table, the specified function can be called.
B) When INSERT is executed to the table, the specified function can be called.
D) A trigger can be set up to call a specified function before or after the event occurs.

PostgreSQL PGCES-02 Exam - Topic 2 Question 73 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam
Question #: 73
Topic #: 2
[All PGCES-02 Questions]

Select two incorrect statements regarding 'TRIGGER'.

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Suggested Answer: C, E

by Herminia at Sep 18, 2024, 04:28 PM

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Hyun
7 months ago
B is correct, triggers can be called on INSERT.
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Evangelina
8 months ago
A and C are the wrong ones for sure!
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Leila
8 months ago
Wait, are you sure about E? I thought rules aren't automatic.
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Carma
8 months ago
Totally agree, C is definitely incorrect!
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Carlota
8 months ago
Triggers don't work with SELECT statements.
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Yuriko
9 months ago
I thought triggers could call functions before or after events, so option D should be correct, but I'm confused about the rules part in option E.
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Melodie
9 months ago
I practiced a similar question, and I remember that triggers can only be set for INSERT, UPDATE, or DELETE, so option C seems wrong.
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Dean
9 months ago
I'm not entirely sure about option E; I feel like I read something about rules and triggers being related, but I can't remember the details.
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Gladis
9 months ago
I think option C is definitely incorrect because triggers don't activate on SELECT statements, right?
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Claribel
9 months ago
I've got a good handle on triggers, so I think I can identify the incorrect statements here. I just need to carefully read through the options.
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Dante
9 months ago
This question seems straightforward, but I want to double-check my understanding of triggers before answering.
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Adrianna
9 months ago
Okay, let me think this through. I know triggers can be set up to fire before or after an event, but I'm not sure about the specific events like INSERT, UPDATE, and SELECT.
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Paola
9 months ago
Hmm, I'm a bit unsure about this one. I know triggers can be used to call functions, but I'm not sure about the specifics of when they can be called.
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Stephen
9 months ago
I'm pretty confident I can handle this question. The key is to identify the incorrect statements about triggers.
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Matthew
2 years ago
I bet the answer is B and C. Triggers are meant to fire on INSERT and UPDATE, not SELECT. Easy peasy!
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Isaiah
2 years ago
Exactly, triggers can be set up to call a specified function before or after INSERT or UPDATE events.
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Glenn
2 years ago
So, the incorrect statements would be B and C, since triggers do not fire on SELECT operations.
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Reid
2 years ago
That's correct, triggers are used to perform actions before or after INSERT and UPDATE operations.
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Wai
2 years ago
I think you're right, triggers are meant to fire on INSERT and UPDATE.
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Lynelle
2 years ago
Haha, this question is like a trigger trap! You really need to know your trigger fundamentals to nail this one.
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Ligia
2 years ago
I'm pretty sure A, B, and D are all correct statements about triggers. C is the only one that seems off.
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Dion
2 years ago
User 3: So, the incorrect statements are C and E.
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Magdalene
2 years ago
User 2: I agree, C is the incorrect statement.
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Cathrine
2 years ago
I think A, B, and D are correct about triggers.
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Evangelina
2 years ago
Whoa, E is a tricky one. I don't think a rule is automatically created when a trigger is set up. That feels like a trick question.
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Shonda
2 years ago
D) A trigger can be set up to call a specified function before or after the event occurs.
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Cheryl
2 years ago
I agree, E does seem like a trick question. It's not correct.
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Louisa
2 years ago
E) A corresponding rule is automatically created when a trigger is created.
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Kanisha
2 years ago
A) When UPDATE is executed to the table, the specified function can be called.
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Elliott
2 years ago
I believe statement E is also incorrect because a trigger does not automatically create a corresponding rule.
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Donte
2 years ago
Hmm, I think C is definitely incorrect. A trigger shouldn't be fired on a SELECT statement. The purpose of a trigger is to capture INSERT and UPDATE events, not SELECT.
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Avery
2 years ago
Yes, triggers are meant for INSERT and UPDATE events, not SELECT. C is definitely incorrect.
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Avery
2 years ago
I agree, C is incorrect. Triggers are not fired on SELECT statements.
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Blossom
2 years ago
I agree with Thaddeus. Statement C is definitely incorrect.
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Thaddeus
2 years ago
I think statement C is incorrect because SELECT does not trigger a function.
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