Alibaba Cloud ACA Developer Certification ACA-Developer Question # 49 Topic 3 Discussion

ACA-Developer Exam Topic 3 Question 49 Discussion:

Question #: 49

Topic #: 3

What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)

Improve the query efficiency SELECT statements.

Improve the efficiency of DML operations such as UPDATE.

Improve the efficiency of DDL operations.

Reduce invalid data scanning.

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Actual exam question for Alibaba Cloud ACA-Developer exam by Zara7389 at Aug 2, 2025, 12:00:00 AM

Chosen Answer: A B C D
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