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Questions by juniorG
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MADE-EASY FULL LENGHT TEST
what would be the output for this query? inner query returns NULL, right? as S.E > 10 won’t be satisfied. so for every outer tuple of R it shouldn’t produce any result? and so the output should be 0? atleast that’s what i think. but, it says the output is 3(i am assuming number of tuples of R), and i can’t figure out why. any help would be appreciated! thanks!
what would be the output for this query?inner query returns NULL, right? as S.E 10 won’t be satisfied. so for every outer tuple of R it shouldn’t produce any result?...
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Jan 30, 2022
Databases
databases
made-easy-test-series
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