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Alibaba Exam ACA-Database Topic 6 Question 56 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 56
Topic #: 6
[All ACA-Database Questions]

Which of the following statements is NOT correct about PolarDB?

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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 Alishia at Apr 13, 2024, 06:58 AM

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Launa
5 months ago
I have to side with Charlie on this one. Option B seems to be the odd one out based on the capabilities of PolarDB that I've read about.
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Eladia
5 months ago
Interesting point, I see your rationale. But I still think option E is the outlier here.
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Denny
5 months ago
I disagree with both of you. I believe that option B is the incorrect statement as PolarDB clusters can support more than 100 TB of storage space.
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Chi
5 months ago
I agree with I believe that PolarDB is not specifically designed for handling large amounts of sequential queries.
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Eladia
5 months ago
I think option E is NOT correct about PolarDB.
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Quentin
5 months ago
I don't think so, option C seems accurate to me. I'm leaning towards option E) ApsaraDB for PolarDB is designed to handle large amounts of sequential queries
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Julieta
6 months ago
But what if the statement about data consistency in option C is incorrect? That could be the answer
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Malcom
6 months ago
I disagree, I believe the correct answer is 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
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Julieta
6 months ago
I think the correct answer is 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)
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Adelle
7 months ago
Haha, yeah, option E is definitely a trap. PolarDB is a cloud-native relational database, not some specialized sequential query engine.
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Marilynn
7 months ago
Ah, I see. Option E seems a bit suspicious to me. PolarDB is designed to handle all types of queries, not just sequential ones.
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Tamar
7 months ago
I agree with Cordell. Option B just seems too low for the capabilities of PolarDB. I'm going with C as the incorrect statement.
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Cordell
7 months ago
I'm pretty confident that option B is not correct. I've read that PolarDB has a much higher storage capacity and query throughput than that.
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Maybelle
7 months ago
I'm not sure about the answer, but I'm leaning towards option E. What do you guys think?
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Twana
7 months ago
Hmm, this seems like a tricky question. Let me think about this.
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Makeda
5 months ago
I agree. E) is not correct as PolarDB is designed for analytical queries rather than sequential queries
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Yaeko
5 months ago
That's correct. The statement that is NOT correct is E) ApsaraDB for PolarDB is designed to handle large amounts of sequential queries
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Luisa
5 months ago
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)
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