Amazon Athena - Serverless SQL Analytics
A comprehensive reference for Amazon Athena: serverless query engine for S3 data, integration with Glue Data Catalog, and analytics patterns …
Data-Lake
Data Lake
What a data lake is, how it stores raw data at scale, and when to use a data lake versus a data warehouse.
ELT - Extract, Load, Transform
What ELT is, how it differs from ETL, and why modern data architectures favor loading raw data before transforming.
Lakehouse Architecture
What a lakehouse is, how it combines data lake flexibility with warehouse performance, and practical implementation options.