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  3. April 2003

RE: Adding SQL indes causing performance degradation?

Bruce wrote:
it's a well known fact that adding indexes has a performance impact for
update jobs. Seizes over the index plus checking to see if the index needs
updating and then performing the update to the index are added to the job
the performs the update.

Bruce,
I agree that there will be a performance impact created by adding even a
single index.  We are seeing a job that averaged a run time of 60 minutes
now averaging between 80 and 90 minutes.  This is an increase of at least a
third.  That sounds like a lot of overhead just to maintain new indexes.

Rick

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