Re: Efficient comparison of two DBs
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Mon, 22 May 2006 14:55:31 GMT
Message-ID: <Dhkcg.11441$A26.273777_at_ursa-nb00s0.nbnet.nb.ca>
Date: Mon, 22 May 2006 14:55:31 GMT
Message-ID: <Dhkcg.11441$A26.273777_at_ursa-nb00s0.nbnet.nb.ca>
Ike wrote:
> I am trying to discern what (an) algorithm might be, that would compare two
> databases which, at one time were mirror's of each other. That is, if at one
> point in the past, I had DB A, which was a mirror image of DB B, and A has
> not been touched, B has been in use. Now I want to compare the two, to
> discern what records have been changed, added or deleted in B so that I can
> apply the same changes to A such that, when completed, A again mirrors B.
>
> Does anyone have any thoughts on such an algorithm? Thanks, Ike
Copy the log file over to A and roll forward. Received on Mon May 22 2006 - 16:55:31 CEST