OIC - Is there any other option apart from agents to connect to on-premise database?

Summary:

OIC Connectivity option to on-premise database apart from agents

Content (please ensure you mask any confidential information):

Would like to know if we can use FastConnect or Site-to-Site VPN in OIC to connect to on-premise database?

Our org has flagged agents as a security risk for connectivity and prefer a private network like FastConnect.

Version (include the version you are using, if applicable):

N/A

Code Snippet (add any code snippets that support your topic, if applicable):

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