Question: Given R ( I , N , C , S ) and F { I - > N , I - > C , I

Given R(I, N, C, S) and F {I->N, I->C, I->S, C->S}
- Calculate the closure of all possible subsets of attributes
Hint: how many subsets a set has? Ignore the empty set.
- dentify all super keys
- Identify all candidate keys

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