---
aliases:
  - RDS
  - AWS RDS
---

> Part of [[AWS Cloud Services#AWS Core Services|AWS Core Services]]
##### **Amazon RDS (Relational Database Service)**
A cloud based distributed relational database managed service.
- Managed relational DBs (e.g., MySQL, PostgreSQL, Oracle).
- AWS handles backups, patching, and scaling.
- You can build fault-tolerant DB by configuring RDS for **Multi-[[AWS Cloud Services#**Availability Zone (AZ)**|AZ]]** deployment.
  Placing your master RDS instance in one [[AWS Cloud Services#**Availability Zone (AZ)**|AZ]] and a standby replica in another [[AWS Cloud Services#**Availability Zone (AZ)**|AZ]].
![[Screenshot 2025-07-23 at 17.48.07.png|600]]