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Re: Very slow "creating sort index"
Posted by: Peter Brawley
Date: July 11, 2018 10:37AM

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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Re: Very slow "creating sort index"
July 11, 2018 10:37AM

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