Which technology is most appropriate to enable this capability?

An Amazon EMR cluster using EMRFS has access to Megabytes of data on Amazon S3, originating from multiple unique data sources. The customer needs to query common fields across some of the data sets to be able to perform interactive joins and then display results quickly.

Which technology is most appropriate to enable this capability?
A . Presto
B . MicroStrategy
C . Pig
D . R Studio

Answer: A

Explanation:

https://dzone.com/articles/getting-introduced-with-presto