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Archives of the TeradataForumMessage Posted: Tue, 06 Sep 2011 @ 19:03:02 GMT
Hi Machha, No. The optimiser will know about the new AMPs because it reads the config information. I think this information is supplied by PDE, but (as far as I'm aware) it is NOT read from the stats. I have never seen a recommendation / best practise etc which says that you must refresh stats ** simply ** because of a system expansion. It can be a different matter if you are doing a software upgrade. As I said earlier. Statistics describe your data demographics. And as the result of adding more amps your data demographics have not changed. Cheers, Dave Ward Analytics Ltd - Information in motion (www.ward-analytics.com)
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