Alibaba ACA-Database Exam - Topic 7 Question 97 Discussion

Actual exam question for Alibaba's ACA-Database exam

Question #: 97
Topic #: 7

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

ALevel-2 backup + Redo log

BLevel 1 backup + Redo log

CLevel-2 backup

DLevel-1 backup

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Suggested Answer: A

by Justine at May 03, 2026, 01:50 AM

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16 hours ago

I think we discussed something about Level-2 backups being more comprehensive, but I'm not entirely sure how the redo log fits in.

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