https://aws.amazon.com/rds/oracle/ You can run Amazon RDS for Oracle under two different licensing models - "License Included" and "Bring: Your-Own-License (BYOL)" the "License included" service model, you do not need separately purchased Oracle licenses; the Oracle Database software has been licensed by AWS, "License Included" pricing starts at
$0.04 per hour, inclusive of software, underlying hardware resources, and Amazon RDS management capabilities, If you already own Oracle Database licenses, you can use the "BYOL" model to run Oracle databases onAmazon RDS, with rates starting at
$0.025 per hour. The "BYOL" model is designed for customers who prefer to use existing Oracle database licenses or purchase new licenses directly from Oracle. For more information, see Licensing Amazon ADS for Oracle.