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Thread: Is there any bad side affects to UPDATE stats.

  1. #1
    Join Date
    Jul 2003
    Posts
    4

    Is there any bad side affects to UPDATE stats.

    Hello,
    I am thinking of running update statistics on an sql database and I was wondering if there was anything that I should be aware of that might cause a problem. I am new at this (as you can tell) and I am a little reluctant to try it, but from everything that I have read it should be done. I ran the profiler and I see that one query is producing an error stating that one of the colums doesn't have statistics.

    Thanks

  2. #2
    Join Date
    Nov 2002
    Location
    New Jersey, USA
    Posts
    3,932
    No and I hope not.

    The optimizer will be able to create better execution plan with up to date statistics.

  3. #3
    Join Date
    Sep 2002
    Location
    Fantasy
    Posts
    4,254
    http://www.sql-server-performance.com/statistics.asp

    from the link

    But this option is not a panacea. When a SQL Server database is under very heavy load, sometimes the auto update statistics feature can update the statistics at inappropriate times, such as the busiest time of the day.

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