Considering the relation schemas R (A, B, C, D) and S (C, D, E, F), what will…
Coal India Management Trainee CBT · 2017 · 2017 System · Paper II · Domain Knowledge
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?
(σA=1(R)) ⨝ (πC,D,E(S))
- A.
3
- B.
4
- C.
5
- D.
6
Attempted by 534 students.
Sign up free to check your answer
Sign up freeLoading lesson…