RE:DB Link

  • From: Reginald.W.Bailey@xxxxxxxxxxxx
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Thu, 12 Feb 2004 09:29:27 -0600

============================================================================================================

Reginald W. Bailey
IBM Global Services
JPMC Account - DCI ETS Database Management
Your Friendly Neighborhood DBA
713-216-7703 (Office) 281-798-5474 (Mobile)
reginald.w.bailey@xxxxxxxxxxxx
baileyre@xxxxxxxxxx
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----- Forwarded by Reginald W. Bailey/JPMCHASE on 02/12/2004 09:31 AM -----
                                                                                
                                                     
                    Reginald.W.Bailey@jp                                        
                                                     
                    morgan.com                 To:     oracle-l@xxxxxxxxxxxxx   
                                                     
                    Sent by:                   cc:                              
                                                     
                    oracle-l-bounce@free       Subject:     RE:DB Link          
                                                     
                    lists.org                                                   
                                                     
                                                                                
                                                     
                                                                                
                                                     
                    02/11/2004 07:06 PM                                         
                                                     
                    Please respond to                                           
                                                     
                    oracle-l                                                    
                                                     
                                                                                
                                                     
                                                                                
                                                     





Yes I have seen this before.  First, turn on SQL Net tracing in the
sqlnet.ora file. Second, was the database link created on the server where
the database resides, or via the client? What version of Oracle are you
using? Also when you use the service name to connect, is it from a client ?
The database link from one database to another means that the parts
necessary for name resolution will need to be on the server where the
database link resides.  This means that the hosts file needs to have the
server name and IP address of the target database server in it, or the
server is using some other name resolution like DNS.  The database link
needs to be resolved from the server where the database link resides in the
database.  Sure you can connect from a client.

RWB

============================================================================================================


Reginald W. Bailey
IBM Global Services
JPMC Account - DCI ETS Database Management
Your Friendly Neighborhood DBA
713-216-7703 (Office) 281-798-5474 (Mobile)
reginald.w.bailey@xxxxxxxxxxxx
baileyre@xxxxxxxxxx
============================================================================================================




                    Michael.Milligan@in

                    genix.com                 To:
oracle-l@xxxxxxxxxxxxx
                    Sent by:                  cc:

                    oracle-l-bounce@fre       Subject:     RE: RE: JOINED
UPDATE
                    elists.org



                    02/11/2004 05:43 PM

                    Please respond to

                    oracle-l







Has anyone had trouble using a link created for just certain databases,
when
everything is set right. In other words, no reason can be seen why it
wouldn't work? We changed the global name, etc., etc. I can connect to the
database but when I create the link, then try to select from dual from
another database, it says "TNSNames cannot resolve service name". But using
the same service name, I immediately connect successfully to the database!

Driving us crazy. Any help would be greatly appreciated.

Thanks,

Mike


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