# Amazon RDS from Amazon Explorer
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Amazon Relational Database Service (Amazon RDS) is a service that enables you to provision and manage SQL relational database systems in the cloud. Amazon RDS supports three types of database systems:
+ MySQL Community Edition
+ Oracle Database Enterprise Edition
+ Microsoft SQL Server (Express, Standard, or Web Editions)

For more information, see the [Amazon RDS User Guide](https://docs.amazonaws.cn/AmazonRDS/latest/UserGuide/).

A lot of the functionality discussed here is also available through the [Amazon Management Console](https://console.amazonaws.cn/rds/home) for Amazon RDS.

**Topics**
+ [Launch an Amazon RDS Database Instance](rds-launch-instance.md)
+ [Create a Microsoft SQL Server Database in an RDS Instance](rds-launch-instance-sql.md)
+ [Amazon RDS Security Groups](rds-security-groups.md)