Question: 1 . Is AG a candidate key? 2 . Is AG a superkey? Does AG - > R ? = = Is ( AG )

1. Is AG a candidate key?
2. Is AG a superkey? Does AG -> R?==Is (AG)^+ subset of R
3. Is any subject of AG a superkey?
4. Does A -> R?==Is (A)^+ subset of R
5. Does G ->R?== Is (G)^+ subset of R
1. Is AG a candidate key? 2. Is AG a superkey?

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