AWS interactive query service for analyzing data in S3 using SQL. Like having a powerful search engine that can instantly find answers in massive amounts of stored data.
Data analysts use Athena to query terabytes of log files stored in S3 without setting up any infrastructure.
All are used to analyze data with SQL-like queries without managing traditional database servers. Athena queries data directly in Amazon S3 using Presto/Trino under the hood. Azure Synapse serverless SQL can query files in Azure Data Lake Storage. BigQuery is a fully managed data warehouse that can also query external data in Cloud Storage. OCI Data Flow is a serverless Apache Spark service (not SQL-first like Athena), often paired with OCI Object Storage and other query tools for SQL-style analytics.