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Re: Slow query in mysql 5.7.20
Posted by: Benoit St-Jean
Date: December 17, 2017 11:02AM

Beides providing the SHOW CREATE TABLE for both tables, what is the selectivity of ISDUPLICATED, VOUCHERBASEDR and REFILLPROFILEID?

Assuming REFILLPROFILEID is selective enough, my guess is that an index on (accounteventid, REFILLPROFILEID) would probably help.

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