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Alibaba Exam ACA-Developer Topic 9 Question 70 Discussion

Actual exam question for Alibaba's ACA-Developer exam
Question #: 70
Topic #: 9
[All ACA-Developer Questions]

As more businesses move online and collect more data about their users, databases are beginning to grow very large, affecting table query performance and business operations. In order to solve these problems, in addition to sub-database sub-table transformation, we can also use Data Management Service (DMS)'s archiving function to regularly archive large table dat

a. We can then remove the archived records from the original table to improve query performance. Which of these statements about this feature of DMS is NOT correct?

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Suggested Answer: D

by Blondell at Sep 14, 2024, 11:49 AM

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Elbert
2 months ago
I'm stumped on this one. Maybe I should just ask my cat for the answer. They're probably better at database management than I am.
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Lai
26 days ago
D) The user role of this operation must be 'administrator' or 'DBA'
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Paz
1 months ago
C) Backup data can be stored In OSS
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Jacklyn
1 months ago
B) Before you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)
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Merilyn
2 months ago
A) The supported database types are RDS MySQL and PolarDB MySQL
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Rory
2 months ago
A looks good to me. The supported database types are clearly stated as RDS MySQL and PolarDB MySQL. Can't go wrong with that.
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My
3 months ago
Haha, D is obviously the wrong answer. Who do they think we are, database administrators? I'm just a lowly user trying to improve my query performance!
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Starr
1 months ago
C) Backup data can be stored In OSS
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Kati
1 months ago
B) Before you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)
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Dino
2 months ago
C) Backup data can be stored In OSS
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Karl
2 months ago
A) The supported database types are RDS MySQL and PolarDB MySQL
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Doug
2 months ago
B) Before you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)
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Mary
2 months ago
A) The supported database types are RDS MySQL and PolarDB MySQL
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Tyra
3 months ago
I'm pretty sure C is the correct answer. Storing backup data in OSS is definitely not one of the capabilities of the DMS archiving feature.
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Fidelia
3 months ago
The right answer is B, you don't need to enable DBS to use the archiving feature of DMS. That's just an additional step that isn't required.
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Gaston
28 days ago
D) The user role of this operation must be 'administrator' or 'DBA'
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Luis
1 months ago
C) Backup data can be stored In OSS
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Gladys
1 months ago
B) Before you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)
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Nathan
2 months ago
A) The supported database types are RDS MySQL and PolarDB MySQL
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Melinda
3 months ago
I agree with Alex, enabling DBS is not a requirement for using DMS's archiving function.
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Alex
3 months ago
I believe the incorrect statement is that before using this feature, you must enable Alibaba Cloud's Database Backup Service (DBS).
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Dean
3 months ago
I think the correct statement is that the supported database types are RDS MySQL and PolarDB MySQL.
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