Service | Purpose |
---|---|
Amazon S3 (Standard, Glacier, Intelligent-Tiering) | Core data lake storage across multiple cost-performance tiers. |
AWS Glue | ETL (Extract, Transform, Load) – prepare datasets, build metadata catalog. |
Amazon Athena | Serverless query engine to query S3 data directly using SQL. |
Amazon Redshift + Spectrum | Data warehouse for complex queries; Spectrum queries data in S3 without loading. |