Delete the Database Security List
If your Oracle WebLogic Server for OCI domain is JRF-enabled and is connected to an Oracle Cloud Infrastructure Database (DB System), then you can delete the security list that grants the domain access to the database.
WARNING:
Do not the delete this security list if other domains are in the same VCN and are using the same database.This security list is not a component of the stack for your domain, and is not automatically deleted when you destroy the stack.