====== Aurora ====== **What it is:** A high-performance managed relational database compatible with MySQL or PostgreSQL. **What it’s for:** * Higher throughput and better scalability than standard RDS engines (common AWS positioning). * Managed HA and read scaling with replicas. **Key ideas:** * Aurora uses a **cluster** concept with: * Writer (primary) * Multiple reader replicas * Often used for high availability and scaling. **Exam cues:** * “MySQL/Postgres compatible but higher performance and HA” → Aurora. **Hard words:** * *compatible* /kəmˈpætəbl/: tương thích * *throughput* /ˈθruːpʊt/: thông lượng * *replica* /rɪˈplɪkə/: bản sao