Re: Very slow "creating sort index"
Also 5.5 on the other machine?
The 5.5 optimiser seems to have decided the stats don't predict that index will help. Did you try Force Index? Or adding a covering index?
I'd be curious what the 8.0 optimiser would make of it.
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July 11, 2018 08:42AM
Re: Very slow "creating sort index"
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