Considering the relation schemas R (A, B, C, D) and S (C, D, E, F), what will be the degree of the resultant relation of the following Relational Algebra…
Considering the relation schemas R (A, B, C, D) and S (C, D, E, F), what will be the degree of the resultant relation of the following Relational Algebra expression, where "*" represents the "natural join" operation?
(σc1(ΠA,B,C(R))) * (σc2(ΠC,D,E(S)))
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Correct answer: (D) 5