AWS Database Tutorial – Relation Database Service (RDS) is offered by amazon which is is running in the cloud that supports MySQL, Oracle, etc.
Amazon Relational Database Service is a distributed relational database web service that is running in the cloud and provides a relational database for use in applications. It is a scalable web relational database that supports MySQL, Oracle, Microsoft SQL server and PostgreSQL. It provides simple setup, operations and scalable platform.
Please read the originial post here: https://www.stepleaf.com/blog/amazon-rds-tutorial