Re: Slow Left Join on 100K row tables
Posted by: Peter Brawley
Date: March 10, 2022 12:11PM

SQL has no way to optimise Left Joins as well as Inner Joins, but I notice that a an exclusion join similar to yours on 191K rows takes 2'42" here on 5.7 and just 3 secs on 8.0.28.

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Re: Slow Left Join on 100K row tables
March 10, 2022 12:11PM

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