Q

Running two databases on Win2000 simultaneously

Is it possible to run two databases on Windows 2000 simultaneously? How do I register the two database with listeners to start at the same time? I keep getting this error: ORA-12514: TNS:listener could not resolve SERVICE_NAME given in connect descriptor Yes, it is possible to run more than one instance on a Windows server and to have one listener configured for all the instances on that server. To set up your listener, you'll need...

to modify your LISTENER.ORA file to contain information similar to the following:

LISTENER =
  (ADDRESS_LIST =
        (ADDRESS=
          (PROTOCOL=IPC)
          (KEY= sid1)
        )
        (ADDRESS=
          (PROTOCOL=IPC)
          (KEY= sid2)
        )
  )
SID_LIST_LISTENER =
(SID_LIST =
  (SID_DESC =
    (SID_NAME = sid1)
    (ORACLE_HOME = d:oracleora9i)
  )
  (SID_DESC =
    (SID_NAME = sid2)
    (ORACLE_HOME = d:oracleora9i)
  )
)

But all of this may be unnecessary if you set USE_PLUG_AND_PLAY_LISTENER = ON so that each instance dynamically registers itself with the listener.

This was first published in October 2003

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