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For the relation R(A,B,C,D,E) with the same FDs as above (A→B, B→C, C→D, D→E), which of the following is a candidate key?

515Medium DSSSB TGT Computer Science 0 replies 1 views

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For the relation R(A,B,C,D,E) with the same FDs as above (A→B, B→C, C→D, D→E), which of the following is a candidate key?

AB
BC
CA
DE

Correct answer: C

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