===== Athena =====

Efficiently query the files in S3.

Using SQL queries.

Under the hood, Athena uses open source **Presto** as its compute engine.
https://prestodb.io/
https://medium.com/ahana-cloud/using-aws-athena-check-out-these-alternatives-96f74744ce76


**Example data set:**

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Result

{{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/RmEvhvM6nI.png?430x250}}