- Differences between Multi-AZ, Read Replicas, Multi-Region
- RDS & Aurora: Relational Database - OLTP (SQL)
- Redshift: Data Warehouse - OLAP (SQL)
- ElastiCache: In-Memory Database
- DynamoDB: Key/Value (serverless) & DAX (cache for DynamoDB)
- EMR: Hadoop Cluster
- Athena: Query data on Amazon S3 (serverless & SQL)
- QuickSight: Dashboards on your data (serverless)
- DocumentDB: "Aurora for MongoDB" (JSON - NoSQL database)
- Neptune: Graph database
- QLDB: Financial Transaction Ledger (immutable journal, cryptographically verifiable, central database)
- Managed Blockchain: Managed Hyperledger Fabric and Ethereum blockchains (distributed)
- Glue: Managed ETL (Extract Trasform Load) and Data Catalog service
- DMS: Database Migration Service