Explanation:
Amazon Redshift Spectrum allows users to run queries against exabytes of data in S3 without having to duplicate the data into a Redshift cluster, making it cost-effective for sporadic query access.
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A logistics company is looking to optimize their database costs for sporadic access to historical data. Which AWS service offers the most cost-effective solution?
A
Amazon RDS
B
Amazon DynamoDB
C
Amazon S3
D
Amazon Redshift Spectrum