http://www.theselights.com/2010/03/understanding-netapp-volume-and.html
see also http://www.scribd.com/doc/128360637/TR-3929
Everything Changes
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I saw a recent tweet (on Bluesky) from SQLDaily highlighting a blog note
that Lukas Eder wrote in 2016 with the title: “Avoid using COUNT() in SQL
when you...
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