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Amazon Web Services AWS Certified Data Engineer - Associate (DEA-C01) Data-Engineer-Associate Question # 49 Topic 5 Discussion

Amazon Web Services AWS Certified Data Engineer - Associate (DEA-C01) Data-Engineer-Associate Question # 49 Topic 5 Discussion

Data-Engineer-Associate Exam Topic 5 Question 49 Discussion:
Question #: 49
Topic #: 5

A data engineer notices slow query performance on a highly partitioned table that is in Amazon Athena. The table contains daily data for the previous 5 years, partitioned by date. The data engineer wants to improve query performance and to automate partition management. Which solution will meet these requirements?


A.

Use an AWS Lambda function that runs daily. Configure the function to manually create new partitions in AW5 Glue for each day's data.


B.

Use partition projection in Athena. Configure the table properties by using a date range from 5 years ago to the present.


C.

Reduce the number of partitions by changing the partitioning schema from dairy to monthly granularity.


D.

Increase the processing capacity of Athena queries by allocating more compute resources.


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