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Alibaba ACA-Database Exam - Topic 4 Question 32 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 32
Topic #: 4
[All ACA-Database Questions]

If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?

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Suggested Answer: A

by Sarah at Oct 25, 2022, 12:05 PM

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Shenika
5 months ago
Not sure about that, sounds complicated.
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Sina
6 months ago
Agreed, Level-2 is the way to go!
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Arminda
6 months ago
Wait, is Level-2 really necessary?
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Reuben
6 months ago
I think Level 1 backup should work too.
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Lemuel
6 months ago
Definitely Level-2 backup + Redo log!
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Jamie
6 months ago
I’m leaning towards Level-2 backup + Redo log, but I’m not confident. I wish I had reviewed the specifics on backup types more thoroughly.
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Lino
6 months ago
I have a vague memory that Level-1 backups are quicker but less reliable for restoring deleted data. Maybe that's why Level-2 is better here?
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Lelia
6 months ago
I practiced a similar question, and I feel like the Redo log is crucial for recovery, but I can't recall if it works with both backup levels.
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Freeman
6 months ago
I think I remember something about Level-2 backups being more comprehensive, but I'm not entirely sure how they compare to Level-1.
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Titus
7 months ago
This is a good opportunity to demonstrate my Git LFS knowledge. I'll take my time, read the question thoroughly, and make sure I select the right access levels for each group. Confident I can get this one right.
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Octavio
7 months ago
I'm pretty sure the answer is the placement class tag and SmartTier management at file level, but I'll double-check the details just to be sure.
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Fausto
7 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about where the rounding configuration would be set up.
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Susana
7 months ago
I'm confident I can figure this out. The code seems to be interacting with web page elements, so the answer is likely related to that.
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