AWS Certified Solutions Architect Associate SAA-C03 Practice Question
Your client intends to enhance query speed while controlling analytics costs for their substantial collection of comma-separated values files hosted on a cloud object storage service. They require a managed service to transform these files into a columnar storage format. Which service should they use to meet these needs with the least maintenance burden?
Streaming data ingestion and transformation service
Serverless compute service
Cloud object storage batch operations
The fully managed ETL service offered by the cloud provider