Re: Your views on Quest - Shareplex

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On Tue, May 29, 2001 at 10:16:55AM -0800, dgoulet_at_vicr.com wrote:
> Rao,
>
> Somewhere on this list there is a fellow from Quest, I've seen his e-mail,
> but can't remember who it is. Therefore If I'm leading down a wrong path he can
> correct. Anyway, as I understand SharePlex it extracts the transactions from
> the archived redo logs to replicate those transactions in another DB. Pretty
> slick, but redo logs are an Oracle company secret and therefore subject to
> change by them at will with no forewarning to anyone. Where can that leave you,
> out in the cold with a corrupt staging area? Very possibly. I know of another
> product that is suppose to help you analyze performance problems, but it
> connects directly to the SGA bypassing the kernel. Problem, it works as long as
> you don't change the starting address of the SGA and/or start paging it out of
> memory. Also, I had a demo copy of a product that supposedly re-organized the
> internals of the database files, while Oracle was shut down. Problem: A VERY
> big warning that if the DB would not restart after they finished, sorry!!
>
> Conclusion, any product that attaches to Oracle or it's files by other than the
> normal methods will not make it through the door.
>
> Dick Goulet
>
> ____________________Reply Separator____________________
> Author: "Rao; Maheswara" <Maheswara.Rao_at_Sungardp3.com>
> Date: 5/29/2001 9:16 AM
>
> List,
>
> My company is considering Quest - Shareplex.
>
> We are considering to use this in our dataware house. Basically, this will
> pull all the transactions from OLTP database and populate staging area in
> the dataware house.
>
> Could you please give your experiences and the pros and cons of this
> Shareplex product.
>
> Thanks,
>
> Rao
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> Author: Rao, Maheswara
> INET: Maheswara.Rao_at_Sungardp3.com
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-- 
===============================================================
Ray Stell   stellr_at_vt.edu     (540) 231-4109     KE4TJC    28^D
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