DataGuard: diff between sync async
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  1. #1
    Join Date
    May 2008
    Posts
    95

    Exclamation DataGuard: diff between sync async

    Dear Guru's,

    Could you please explain me the difference between Gurad 10g sync and async.

    Thanks in advance...

    Best Regards,

  2. #2
    Join Date
    Mar 2006
    Location
    Charlotte, NC
    Posts
    865
    don't mind to google it.

    Thanks,
    Vijay Tummala

    Try hard to get what you like OR you will be forced to like what you get.

  3. #3
    Join Date
    Mar 2006
    Location
    Charlotte, NC
    Posts
    865
    a good one for you from google ...

    http://www.oracle.com/technology/dep...tPractices.pdf

    Thanks,
    Vijay Tummala

    Try hard to get what you like OR you will be forced to like what you get.

  4. #4
    Join Date
    Aug 2009
    Posts
    21
    Synchronous : The synchronous redo transport mode transmits redo data synchronously with
    respect to transaction commitment. A transaction cannot commit until all redo generated by that transaction has been successfully sent to every enabled redo transport destination that uses the synchronous redo transport mode.This transport mode is used by the Maximum Protection and Maximum Availability data protection modes .
    Asynchronous : The asynchronous redo transport mode transmits redo data asynchronously with respect to transaction commitment. A transaction can commit without waiting for the redo generated by that transaction to be successfully sent to any redo transport destination that uses the asynchronous redo transport mode.This transport mode is used by the Maximum Performance data protection mode .
    Last edited by Rayyah; 10-06-2009 at 12:34 PM.

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