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# System prepended metadata

title: Databases on AWS

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---
title: Databases on AWS
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Databases on AWS
===
Database services on AWS


:::warning
[toc]
:::

#### Relational [RDBMS][SQL]
:::success
- RDS [Relational Database Service]
    - RDS Engines
      - **OpenSource**
        - PostgreSQL
        - Db2
        - MySQL
        - MariaDB
      - **Proprietory**
        - Oracle
        - Microsoft
      - **Amazon's Proprietory DB Engine**
        - Aurora
    - RDS Features
        - Multi-AZ Deployments
            - High Availability
            - Synchronous Replication
        - Read Replicas
            - Performance Optimisation
            - Asynchronous Replication
:::

#### Non-relational [NoSQL]
:::info
- DynamoDB
:::

#### Other Purpose-built databases
:::success
- Document Database
    - DocumentDB [MOngoDB-compatible]
- Graph 
    - Neptune
- Time series
    - Timestream
- in-memory DB
    - ElastiCache
:::


