PostgreSQL PGCES-02 Exam - Topic 10 Question 46 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam

Question #: 46
Topic #: 10

The present time is noon of July 7th, 2007, and the result of the following SQL sentence was '2007-07-17 12:00:00'. Select the correct expression to fill in the blank below. SELECT CURRENT_TIMESTAMP::timestamp + ________________ ;

A'10 day'::timestamp

B'10 day'::interval

C10::day

D8640000::time

Eage(8640000)

Show Suggested Answer

Suggested Answer: A

by Myra at Jul 25, 2023, 02:51 AM

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Elinore

8 months ago

I disagree, I thought it was just a simple timestamp addition.

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Tammara

8 months ago

Wait, isn't it surprising that it adds 10 days?

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Viola

8 months ago

B is the right choice, no doubt!

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Frederica

8 months ago

I think it's A, but not sure.

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Arletta

9 months ago

It's definitely '10 day'::interval.

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Gerald

9 months ago

I’m confused about the syntax here. I thought we could use '10 day'::timestamp, but now I’m leaning towards '10 day'::interval instead.

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Yolando

9 months ago

I practiced a similar question, and I feel like '10 day'::timestamp doesn't make sense for adding time. It should be an interval, right?

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Yvonne

9 months ago

I'm not entirely sure, but I remember something about using intervals for date calculations. Could it be option B?

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Susy

9 months ago

I think we need to add an interval to the current timestamp, so maybe it's '10 day'::interval? That sounds familiar.

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Jesus

9 months ago

Ah, tricky question. I'm leaning towards option B, with wireless controllers, routers, and VPN gateways. But I'm not 100% sure. Might need to review my notes on network device types.

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Harris

9 months ago

This seems like a straightforward question about the principles of information security. I'll think through the key concepts of confidentiality, integrity, and availability to determine which one is violated in a shoulder surfing attack.

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Horace

9 months ago

Tagging and tracing sounds like it could be a useful technique, but I'm not sure how it would specifically help in this case. I'll have to think about that one a bit more.

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Brande

10 months ago

Definitely going with the port scanner approach. That's the most reliable way to get an accurate picture of the services running on the target host. The other options seem a bit too hit-or-miss for my liking.

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Mary

1 year ago

Wait, are we sure it's not option E? I mean, age(8640000) sounds like it might work, right? *scratches head* Oh well, B it is!

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Tommy

1 year ago

User 3: I'm not so sure, but I'll trust you guys. B it is!

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Bobbie

1 year ago

User 2: Yeah, I agree. Let's go with '10 day'::interval.

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Merlyn

1 year ago

User 1: I think option B is the correct one.

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Leigha

1 year ago

B is the way to go! '10 day'::interval is the only option that makes sense for adding a 10-day period to the current timestamp.

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Lonna

1 year ago

I'm going to have to go with option D - 8640000::time. I mean, who doesn't love a good time-based solution, right? *chuckles*

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Martha

1 year ago

I agree with you, option D - 8640000::time seems like the best solution.

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Ciara

1 year ago

I believe option C - 10::day is the right choice here.

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Hector

1 year ago

I would go with option B - '10 day'::interval for this one.

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Darell

1 year ago

I think option A - '10 day'::timestamp is the correct one.

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Holley

1 year ago

Option B is the correct answer, for sure. It's the only one that actually uses an interval to add 10 days to the current timestamp.

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Justa

1 year ago

Great, thanks for confirming. Option B it is.

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Alex

1 year ago

Yes, I agree. It's the one that uses an interval to add 10 days.

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Maryanne

1 year ago

I think option B is the correct answer.

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Marge

1 year ago

Hmm, this looks like a tricky one. I'm going to go with option B - '10 day'::interval. That seems like the most logical way to add a 10-day interval to the current timestamp.

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