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Re: SharePlex

From: Tanel Poder <tanel.poder.003_at_mail.ee>
Date: Sun, 10 Aug 2003 11:29:23 -0800
Message-ID: <F001.005C9EE1.20030810112923@fatcity.com>


Hi!
---> I don't meant to say Logical standby here as Logical Standby databasse can never be Realtime as they work like streams in Asynchronous manner. THe only option available fo Synchronous data movement is with Oracle advance replication or Physical standby Database where it can be configured to make sure that any production databsae change can be first applied to Replica or standby database before applying on the production database

  If we talk about a reporting instance, then physical standby no data loss isn't doable either, because physical standby can't recover & be open the same time, as you probably know. And real time data transfer for reporting in normal business environment seems nonsense anyway, couple of minutes here or there doesn't matter.

  I'd say that logical standby isn't always good solution for high load environments, because unlike physical stdby, it increases load on primary server (supplemental logging is needed afaik).

  Tanel.

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Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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Received on Sun Aug 10 2003 - 14:29:23 CDT

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