http://w3schools.i2p/whatis/whatis_aws_rds.asp
Amazon RDS is a Relational Database Cloud Service Amazon RDS minimizes relational database management by automation Amazon RDS creates multiple instances for high availability and failovers Amazon RDS supports PostgreSQL, MySQL, Maria DB, Oracle, SQL Server, and Amazon Aurora Relational Databases Amazon RDS stores data as tables, records, and fields Values from one table can have a relationship to values in other tables.