Creating new service name for oracle database

1. creating new service name for oracle database
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4. In order to define a new service name:
Modify service_names parameter and add new service name:
if spfile is used then
alter system set service_names='..., {new_service_name}' scope=both;
if init ora file is used then

alter system set service_names='..., {new_service_name}';

modify init ora file and add {new_service_name} to service_names
parameter
alter system set service_names='..., {new_service_name}' scope=both;
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6. Then use alter system register to re-register with the listener.
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