Question: 12 Given the relation R R(A, B, C, D, E, F, G, H, I, J) and the following set of functional dependencies FDs: AB -->

12 Given the relation R R(A, B, C, D, E, F, G, H, I, J) and the following set of functional dependencies FDs: AB --> B --> EF AD --> GH G-> What is the key for R?* 12 Points) De 13 Given the relation EXAM (P, Q, R, S, T, W) and the following set of functional dependencies: FDs: P-> QR-> S T-> S-> P Which of the following statements is correct? Select all that apply * 12 Points) E PTW is a candidate key of relation EXAM E STW is a candidate key of relation EXAM DPTQ is a candidate key of EXAM E No candidate keys in this relation

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