Tim Gorman wrote
For a DUPLICATE DATABASE operation, you don't have to connect
to the TARGET at all, if I recall correctly;  a DUPLICATE DATABASE operation
doesn't involve the TARGET.  Sounds funny, until you consider that the
operation is reading from tape to the new AUXILIARY database instance.

However logical all that sounds Tim, it is incorrect. For some bizarre
reason when duplicating a database you have to have 3 connections open
(assuming you have a recovery catalogue)

The target (which I prefer to call source), the auxiliary (which is the
target in my view) and the catalogue.

I have raised this question before with Oracle and I did get an answer as to
why you still needed to connect to the target database. I cannot remember
what the answer was but I though it pretty weak at the time.

John





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