To support online patching, 12.2 introduces a new database service.
-service_names
The service_names parameter specifies one or more names by which clients can connect to an instance. The instance registers its service names with the listener. When a client requests a service, the listener determines which instances offer the requested service and then routes the client to the most appropriate instance.
On codelevels lower than AD-TXK Delta 9, the service name is always 'ebs_patch'. From the AD-TXK Delta 9 codelevel, the service name is defined by the the value of the context variable 's_patch_service_name'.
-local_listener
The local_listener setting is part of the AutoConfig templates, and required for listener registration of any non-default (1521) ports.
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