AWS Athena Queries

AWS Athena is a query service that lets you analyze data stored in S3 using standard SQL. No servers, no ETL pipelines, no infrastructure to manage. You upload data to S3, define a table schema (or use Glue to auto-detect it), write SQL, and Athena parallelizes the query across S3 files and returns results. You pay per byte scanned, not per hour. Athena is powered by Apache Presto, which means you write real ANSI SQL. It's ideal for data scientists, analysts, and engineers who need fast ad-hoc queries without the overhead of a data warehouse.