> For the complete documentation index, see [llms.txt](https://notebook.iuriioapps.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notebook.iuriioapps.com/cloud/aws/storage/athena.md).

# Athena

* Athena is an interactive query service that enables you to analyse and query data located in S3 using standard SQL.
* Serverless, nothing to provision, pay per query / per TB scanned.
* No need to setup complex ETL processes.
* Works directly with data stored on S3.

### Use cases

* Can be used to query log files in S3, e.g. ELB logs, S3 access logs, etc.
* Generate business reports on data stored in S3.
* Analyse AWS cost and Usage reports.
* Run queries on click-stream data.