Re: FW: v$database DBID
- From: Vitalis Jerome <vitalisman@xxxxxxxxx>
- To: tcarlson@xxxxxxxxxx
- Date: Mon, 13 Jun 2005 15:19:40 +0200
Hi,
The algorithm used to generate the DBID is not documented.
As for its uniqueness: if a database is duplicated without RMAN and
without using the "nid" utility, it will have the same DBID as the
primary one.
Moreover we can't assume that "create database" or "nid" generate a
DBID that is 100% guaranteed unique on earth.
The only piece of information we can obtain about it is that's a number(22)=
.
Jerome
On 6/12/05, Todd Carlson <tcarlson@xxxxxxxxxx> wrote:
>=20
> Hey Guys,
>=20
> The docs are kind of weak when it comes to how the DBID of v$database is
> generated. Does anyone know how Oracle is generating this number and how
> 'unique' it actually is?=3D20
>=20
> Thanks,
>=20
> Todd
>=20
>=20
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