Hash Join

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Hash Join

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zymos SSCommitted Points: 1960 More actions · Answer 1

Interesting topic on Hash Join and again a tricky question in that one could overlook the fact that a unique constraint already does exist in this particular scenario.

Thanks.

Hany Helmy SSChampion Points: 13921 More actions · Answer 2

Interesting question, and here is another link for reference: http://sqlmonitormetrics.red-gate.com/hash-warnings-in-last-hour/

Thanks & Best Regards,
Hany Helmy
SQL Server Database Consultant