-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)] On Behalf Of Roger Xu
Sent: Wednesday, March 03, 2004 11:34 AM
To: oracle-l@(protected)
Subject: RE: Is it possible to do "select count(*) from
sapr3.zpayr@(protected); "
Thank you for the advice.
So how do I find out all the database links?
Is there a V$ view or dba_ view?
-- --Original Message-- --
From: Mark Richard [mailto:mrichard@(protected)]
Sent: Tuesday, March 02, 2004 8:42 PM
To: oracle-l@(protected)
Subject: RE: Is it possible to do "select count(*) from
sapr3.zpayr@(protected); "
I would just keep in mind the security implications of this. You are
effectively allowing full control to the remote database to anyone
connected to the primary database since the password is remembered.
Having
said that if the username/password combination is "system/manager " then
this additional security risk may not be such a problem.
>From a performance / resource point of view there is no problem though
and
I do keep database links between several development / testing
environments
for moving data around quickly. I wouldn 't keep one with full access to
production though.
Regards,
Mark.
"Justin Cave
(DDBC) " To:
<oracle-l@(protected) >
<jcave@(protected) cc:
> Subject: RE: Is it
possible to do "select count(*) from sapr3.zpayr@(protected); "
Sent by:
oracle-l-bounce@(protected)
eelists.org
03/03/2004 09:42
Please respond to
oracle-l
I would generally keep the database link around if you think you may
want
to use it again in the future. It 's not going to consume an appreciable
amount of resources if no one is using it.
Justin Cave
Distributed Database Consulting, Inc.
http://www.ddbcinc.com
-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)]
Sent: Tuesday, March 02, 2004 3:34 PM
To: oracle-l@(protected)
Subject: RE: Is it possible to do "select count(*) from
sapr3.zpayr@(protected); "
Cool. It works.
So do I need to do "delete database link qa2 " to clean up?
Thanks.
--Roger
-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)]
Sent: Tuesday, March 02, 2004 4:10 PM
To: oracle-l@(protected)
Subject: RE: Is it possible to do "select count(*) from
sapr3.zpayr@(protected); "
While connected to pr2:
create database link qa2 connect to system identified by manager using
'qa2 ';
That 's one option. There are other variations on database links. See
the
manual for more details.
-Mark
-- --Original Message-- --
From: Roger Xu [mailto:roger_xu@(protected)]
Sent: Tuesday, March 02, 2004 5:07 PM
To: oracle-l@(protected)
Subject: RE: Is it possible to do "select count(*) from
sapr3.zpayr@(protected); "
How to do it? Is there a document or links? Thanks.
-- --Original Message-- --
From: Igor Neyman [mailto:ineyman@(protected)]
Sent: Tuesday, March 02, 2004 4:01 PM
To: oracle-l@(protected)
Subject: RE: Is it possible to do "select count(*) from
sapr3.zpayr@(protected); "
You need a database link created between PR2 and QA2.
Igor Neyman, OCP DBA
ineyman@(protected)
-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)] On Behalf Of Roger Xu
Sent: Tuesday, March 02, 2004 4:56 PM
To: Oracle-L@(protected) Org (E-mail)
Subject: Is it possible to do "select count(*) from sapr3.zpayr@(protected); "
>From SID=PR2, I failed to do the following:
SQL > select count(*) from sapr3.zpayr@(protected);
select count(*) from sapr3.zpayr@(protected)
*
ERROR at line 1:
ORA-02019 (See ORA-02019.ora-code.com): connection description for remote database not found
But I can do the following without any problems:
sqlplus system@(protected)/manager
SQL > select count(*) from sapr3.zpayr;
Thanks,
Roger
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