Re: ASSM bug: slow INSERT after uncomitted DELETE

"Mladen Gogala" <mladen_at_bogus.email.invalid> wrote in message news:h5vf1r$nnq$2_at_solani.org...
> On Mon, 10 Aug 2009 20:37:35 -0700, Noons wrote:
>
>> Perhaps even more significantly, if you delete only a portion of the
>> table instead of the lot, then the second session's insert is not
>> affected. Normally, I would expect anyone wanting to clear a table to
>> truncate it, as opposed to deleting all rows: truncate is far more
>> efficient.
>
> Unfortunately, in the situations where you want to delete everything
> older than 60 days, truncate is not an option.
>
>
>
> --
> http://mgogala.freehostia.com

It is if you partition by day and use only local indexes ;)

Really, this discussion is only picking up the point that we need to know that each feature has some side effects that may need special consideration.

-- 
Regards

Jonathan Lewis
http://jonathanlewis.wordpress.com

Author: Cost Based Oracle: Fundamentals
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