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Statistics - 3


Statistics - 3

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bitbucket-25253
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Comments posted to this topic are about the item Statistics - 3

If everything seems to be going well, you have obviously overlooked something.

Ron

Please help us, help you -before posting a question please read

Before posting a performance problem please read
Lokesh Vij
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Thanks Ron for this great question today as well. It required a little bit of reading before attempting it.
Happy that I got it correct in the end :-)

~ Lokesh Vij

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Koen Verbeeck
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Thanks for another great question Ron.
I choose Yes as I thought it would be sad if there wasn't such an option :-D


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After extensive search of MSDN and BOL, I (incorrectly) came to the conclusion that the only way to change the frequency was by scheduling a job to update stats.

Some obscure traceflag does not strike me as a bone fide way of acheiving this. Hurrumph! ;-)

Aren't traceflags things left behind by the Microsoft developers for their own purposes, and shouldn't be relied upon.
Gazareth
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Thanks, good question. Actually guessed at the answer (hoped the specific versions mentioned was a clue), but it's taught me something I didn't know!

It is interesting that it's been implemented as a trace flag rather than say through sp_configure.
Maybe it will make it there in a future version or SP.

Definitely a setting you only want to change if you know what you're doing!
Stewart "Arturius" Campbell
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That is very interesting.
This question really got the grey matter working, thanks, Ron

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Very informative Ron! Thanks :-)


Sujeet Singh
Thomas Abraham
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Koen Verbeeck (10/9/2012)
Thanks for another great question Ron.
I choose Yes as I thought it would be sad if there wasn't such an option :-D


Same here. I thought that it wouldn't be worth posting if there wasn't a solution. Thanks for the question Ron.

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sql 15918
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Hmm... I sort of still think I´m right on this one (and that the answer is no). "Is there a method / setting that will alter the fixed rate of change threshold" I assumed to be no since there is no way to alter the fixed rate. You can however set sql server to instead use a dynamic rate but you can´t change it to another fixed rate such as 40%... Or have I misunderstood something?

Cheers!
Erav
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A very good question. I learn something new..
Thanks Ron!!:-)
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