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Alibaba ACA-Database Exam - Topic 1 Question 15 Discussion

Which of the following statements is NOT correct about PolarDB?
E) ApsaraDB for PolarDB is designed to handle large amounts of sequential queries
A) ApsaraDB for PolarDB is a cloud-native relational database service that is compatible with the MySQL, PostgreSQL, and Oracle engines
B) Each ApsaraDB for PolarDB cluster supports up to 100 TB of storage space and can handle up to one million queries per second (QPS)
C) ApsaraDB for PolarDB can scale clusters within a few minutes, recover from failures within a few seconds, and guarantee data consistency
D) An ApsaraDB for PolarDB cluster can also be scaled out to a maximum of 16 nodes, and provide up to 6 times of performance improvement traditional MySQL clusters at a 30% to 50% cost reduction

Alibaba ACA-Database Exam - Topic 1 Question 15 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 15
Topic #: 1
[All ACA-Database Questions]

Which of the following statements is NOT correct about PolarDB?

Show Suggested Answer Hide Answer
Suggested Answer: E

PolarDB is 6 times faster than standard MySQL database in handling large amounts of concurrent queries.


https://www.alibabacloud.com/product/polardb

by Laticia at May 09, 2022, 09:27 PM

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Beatriz
10 months ago
16 nodes max? That seems limiting for big projects.
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Boris
10 months ago
Scaling in minutes is impressive!
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Anabel
11 months ago
Wait, can it really handle a million QPS? Sounds too good to be true.
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Gladys
11 months ago
I agree, it's super versatile!
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Marge
11 months ago
PolarDB supports MySQL, PostgreSQL, and Oracle.
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Hollis
11 months ago
Hmm, I'm a bit confused by the output. It seems to indicate that Shadow Clones are already enabled, but the question is asking how to enable them. I'll need to carefully review the options to make sure I understand the correct action.
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Rocco
11 months ago
This looks like a tricky BPEL question. I'll need to carefully examine the variable values and the Assign1 activity to figure out what changes are needed.
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Heidy
11 months ago
I've got a strategy - I'll read through the options and eliminate the ones that sound like typical steps, then choose the one that's left.
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Sylvie
11 months ago
I thought we practiced scenarios where increased liquidity risk affected debt costs, but I'm not sure if that's relevant here. I should review my notes again on that topic.
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