5. Database Selection

Database Type → Service: Relational + ACID → Aurora/RDS

5. Database Selection

Database Type → Service: Key-Value → DynamoDB

5. Database Selection

Database Type → Service: Document → DocumentDB

5. Database Selection

Database Type → Service: Graph → Neptune

5. Database Selection

Database Type → Service: Time-series → Timestream for InfluxDB (LiveAnalytics đóng khách mới 06/2025)

5. Database Selection

Database Type → Service: Ledger → Aurora PostgreSQL (QLDB đã EOL 07/2025 — nếu thấy trong option là distractor)

5. Database Selection

Database Type → Service: Cache → ElastiCache

5. Database Selection

Database Type → Service: Analytics → Redshift

5. Database Selection

Multi-AZ

6 copies, 3 AZs

Global Database

<1s replication

Serverless v2

Auto-scale

Read Replicas

Up to 15

Global Tables

Multi-region active

DAX

Microsecond latency cache

Streams

Change data capture

On-Demand

Unpredictable traffic

Provisioned + Auto Scaling

Predictable