Alibaba Exam ACA-Developer Topic 9 Question 70 Discussion

Actual exam question for Alibaba's ACA-Developer exam

Question #: 70
Topic #: 9

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?

AThe supported database types are RDS MySQL and PolarDB MySQL

BBefore you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)

CBackup data can be stored In OSS

DThe user role of this operation must be 'administrator' or 'DBA'

Show Suggested Answer

Suggested Answer: D

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

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Alex

2 days 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

8 days ago

I think the correct statement is that the supported database types are RDS MySQL and PolarDB MySQL.

upvoted 0 times

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