AWS Relational Database Service (RDS) Custom gives you all the automation of RDS and access to the underlying database and OS.
RDS Custom you can perform the following tasks:
- Configure underlying OS settings.
- Install Patches.
- Enable native features.
- Access underlying EC2 Instance using SSH and SSM Session Manager.
- Only available for Oracle and Microsoft SQL Server.
NOTE: While using RDS Custom, it is important De-active Automation Mode to prevent overriding of you customized changes.
RDS vs RDS Custom
- RDS: manages entire database and OS by AWS.
- RDS Custom: full admin access to the underlying OS and database.