Re: Which side of a Merge Join gets executed first? Do both sides always get executed?

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Le 20/12/2023 à 15:40, Jerry Brenner a écrit :
Whichever side gets executed first, is the execution of the side that would be second get short circuited if 0 rows are returned by the first side?

Indeed, if 0 rows are returned from the outer relation, the scan of the inner relation is never executed.

Best regards,
Frédéric





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