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Question 3 (1 point) sid sname rating age 45.0 22 dustin 31 lubber 58 rusty 8 10 55.5 35.0 sid sname rating 28 yuppy 35.0

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Question 3 (1 point) sid sname rating age 45.0 22 dustin 31 lubber 58 rusty 8 10 55.5 35.0 sid sname rating 28 yuppy 35.0 31 lubber in 44 guppy 5 35.0 58 rusty 10 35.0 Suppose Relational Instance S1 is the upper table and Relational Instance S2 is the lower table, how many tuples are there in S1 union S2? None of the choices O4

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