Nologg operation on logged database
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Thread: Nologg operation on logged database

  1. #1
    Join Date
    Feb 2001
    Posts
    75
    Hi,

    The other RDBMS pundits say that any unlogged operation like truncate table will make the backup completely useless and no recovery will be possible after the point unlogged operation was performed, for any DB objects.

    I do not agree to this. I feel only the object on which unlogged operation was performed, will be useless ( corrupt).

    Right? Please send your operation before I try it on my production system.

    Kailash Pareek


  2. #2
    Join Date
    Sep 2000
    Posts
    47
    Tablespace Point In Time Recovery deals with recovering data from exact time. You can even backup your database before taking any major step.

  3. #3
    Join Date
    Dec 2000
    Location
    Ljubljana, Slovenia
    Posts
    4,439
    Originally posted by kkpareek
    ...SNIP...
    I do not agree to this. I feel only the object on which unlogged operation was performed, will be useless ( corrupt).
    ...SNIP...
    You are right. Morover, the objects on which nologged operation was performed will not be corrupt in any way, they will only not contain data changes from nologged operations. And this will be in effect only untill the first next backup, after which any kind of recovery will recover all the data.
    Jurij Modic
    ASCII a stupid question, get a stupid ANSI
    24 hours in a day .... 24 beer in a case .... coincidence?

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