AWS Backup of RDS managed Oracle or MS-SQL database

Hello,

Yes AWS Backup can be used to back up RDS databases including Microsoft SQL Server and Oracle.

How to: https://aws.amazon.com/getting-started/hands-on/amazon-rds-backup-restore-using-aws-backup/

Documentation: https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html