Analytics
Data lakes, warehouses, streaming, and BI on AWS — Athena, Glue, EMR, Kinesis, Redshift, QuickSight, and OpenSearch. Learn how to query, transform, and visualize data at scale.
Amazon Kinesis: Real-Time Streaming Data on AWS Explained
Amazon Kinesis is AWS's real-time streaming platform. Learn Data Streams, Firehose, Video Streams, Managed Flink, per-shard pricing, and exam relevance.
AWS Glue: Serverless ETL, Data Catalog & Data Integration
AWS Glue is a serverless ETL and data integration service. Learn crawlers, Data Catalog, Glue Studio, DataBrew, Streaming ETL, DPU pricing, and exam tips.
Amazon EMR: Managed Hadoop, Spark & Big Data Processing
Amazon EMR is a managed big data platform for Hadoop, Spark, Presto, HBase, and Flink. Learn EC2/EKS/Serverless modes, pricing, spot integration, and exam tips.
Amazon Athena: Serverless SQL Analytics on S3 Data Lakes
Amazon Athena is a serverless query service that runs SQL on S3. Learn Trino engine, per-TB pricing, partitions, Iceberg support, Spark notebooks, and exam tips.
Athena vs Redshift: Serverless SQL vs Managed Data Warehouse
Athena vs Redshift compared: serverless per-scan SQL vs managed warehouse. Learn pricing, latency, concurrency, data freshness, and when to choose each on AWS.