RE: Question about db links and tnsnames.ora

Les,

Why Global Links?

-----Original Message-----
From: Hollis, Les [mailto:Les.Hollis@xxxxxx] 
Sent: Friday, February 25, 2005 2:45 PM
To: jkstill@xxxxxxxxx; Paul.Vincent@xxxxxxxxx
Cc: Oracle-L@xxxxxxxxxxxxx
Subject: RE: Question about db links and tnsnames.ora

Also, use global links whenever possible...

i.e.  do NOT  use the "connect to ....  identified by...."  syntax.

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Jared Still
Sent: Friday, February 25, 2005 1:32 PM
To: Paul.Vincent@xxxxxxxxx
Cc: Oracle-L@xxxxxxxxxxxxx
Subject: Re: Question about db links and tnsnames.ora

You could also create a db link that doesn't require tnsnames.ora.

create database link dbtest connect to scott identified by tiger
using
'(description=3D(address=3D(protocol=3Dtcp)(host=3Ddcutil)(port=3D1521))(=
connect_d
ata=3D(sid=3Ddv08)))'

Possible, but not normally recommended as it is somewhat inflexible.

Jared


On Fri, 25 Feb 2005 12:45:59 -0000, Paul Vincent
<Paul.Vincent@xxxxxxxxx> wrote:
> (Reposted - previous post had wrong subject line. Sorry!)
>=20
> I'm trying to create a db link from a 9i database to an 8i database on
> another server. I've edited the tnsnames.ora file for the 9i database,
> adding an entry for the 8i database, and created the link on the 9i
> database, using OEM. But when I test the link in OEM (by clicking
> "Test"), the alert box tells me the link is not active. Do I need to
> bounce the 9i database so that it picks up the altered tnsnames.ora
> file? That is, does Oracle only scan the tnsnames.ora file at startup,
> or should it look afresh at the tnsnames.ora file each time name
> resolution is required?
>=20
> Thanks,
>=20
> Paul Vincent
> DBA
> University of Central England
> --
> http://www.freelists.org/webpage/oracle-l
>=20


--=20
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
http://www.freelists.org/webpage/oracle-l

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