NNL-00005: no server has been set. Use the "SET SERVER"
command first
Answer / guest
Cause: The user attempted to issue a command which requires
that a default managed Oracle Names server be set first.
Action: Use the SET SERVER command to set your default
server, then reissue the command. Alternatively, if the
command allows, re-issue it with a specific server name so
the control program does not need to use the default.
Please add more information about this Error
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