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Re: Getting list of databases

From: Thomas Kyte <tkyte_at_us.oracle.com>
Date: Thu, 24 Dec 1998 00:55:02 GMT
Message-ID: <36819027.4582409@192.86.155.100>


A copy of this was sent to cinnibar_at_netcom.com (Jeff Wood) (if that email address didn't require changing) On Thu, 24 Dec 1998 00:45:21 GMT, you wrote:

>Is it possible for a user connected to an Oracle database (say,
>with dba privs), to gain a listing of all databases served by this server?
>
>I'm looking for an equivilent command to the Sybase SQL 'sp_helpdb'
>

In Sybase, a "database" in a database is just a logical partion of the same database. If you had >1 Sybase "instance" running with a different set of files, sp_helpdb would only tell you of the one set of databases -- not the databases in the other server on the same machine. Its not another database in Oracle terms.

Oracle Instances have one database -- we reference objects via SCHEMA.OBJECT_NAME. Sybase instances allow for a three node naming scheme database.schema.object_name within a database.

Therefore, if you are connected to an Oracle Instance -- it only knows about itself and not any other instances that may be executing on the same machine.

>Jeff Wood
>jeff_wood_at_vantive.com
>Systems Consultant
>Vantive Corp.
 

Thomas Kyte
tkyte_at_us.oracle.com
Oracle Service Industries
Reston, VA USA

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