Re: Question about database and service name

From: <Jared.Still_at_radisys.com>
Date: Thu, 05 Sep 2002 12:04:42 -0800
Message-ID: <F001.004C8F8B.20020905120442@fatcity.com>

Ramon,

In the init.ora for the database:

   service_names = servicename1, servicename2, ...

In the tnsnames.ora;

servicename1=

   (DESCRIPTION_LIST=

      (DESCRIPTION=
      (ADDRESS_LIST=


         (ADDRESS=(PROTOCOL=TCP)

         (HOST=dbserver.yourdomain.com)

         (PORT=1521)

       )

    )
  (CONNECT_DATA= (SERVICE_NAME=servicename1)))

HTH Jared

"Ramon E. Estevez" <com.banilejas_at_codetel.net.do> Sent by: root_at_fatcity.com
 09/05/2002 09:38 AM
 Please respond to ORACLE-L  

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
        cc: 
        Subject:        Question about database and service name

Hi list,  

Reading the OU manuals Oracle 9i DBA Fundamentals II , in chapter 2 page 12, found  

1-) An oracle database is represented to clients as a service.  

2-) A database can have one or more services associated with it.  

3-) A database can be presented as multiple services and a service can be implemented as multiple database

       instances.  

For the No. 2 :

      I interpret that I can have 2 or 3 or 4 services for just ONE DB. Is that correct ?. How can I do that ?  

For the No. 3:

      I interpret that I can refer to the same DB with differents names.  

As far as I understand, the DB instance name is unique, it can't be changed. So how can I create several services names for one DB.  

Or is just a trick in the TNSNAMES.ORA and LISTENER.ORA files.  

Please can anyone give some light in that, I am totally confused !!!    

Ramon E. Estevez
com.banilejas_at_codetel.net.do
809-565-3121  

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Received on Thu Sep 05 2002 - 15:04:42 CDT