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DBID [message #232638] Sun, 22 April 2007 14:21 Go to next message
harshad.gohil
Messages: 157
Registered: April 2007
Location: USA
Senior Member
Hi Guys,
One question arises, when we change dbname from utility nid, we can also able to change dbid. But I dont know Why we have to change dbid? Where we require dbid?

Regards,
Harsh
Re: DBID [message #232640 is a reply to message #232638] Sun, 22 April 2007 14:47 Go to previous messageGo to next message
Michel Cadot
Messages: 64132
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Register database and backup/restore with RMAN.
DBID is the primary key for RMAN to know which backup belongs to which database.

Now the question is "why we have to change dbname?". Smile

Regards
Michel
Re: DBID [message #232680 is a reply to message #232640] Mon, 23 April 2007 00:29 Go to previous message
Dipali Vithalani
Messages: 278
Registered: March 2007
Location: India
Senior Member

hi harshad,

Found this thing, may be it's helpful to you...
"Because Recovery Manager (RMAN) distinguishes databases by DBID, you could not register a seed database and a manually copied database together in the same RMAN repository.The DBNEWID utility solves this problem by allowing you to change any of the following:
Only the DBID of a database
Only the DBNAME of a database
Both the DBNAME and DBID of a database "

also go through this link. Same question is discussed here..

Regards...
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