Question: Consider the relation R = {A, B, C, D, E, F, G, H, I, J} and functional dependencies {A, B} rightarrow {C} {A} rightarrow {D,

Consider the relation R = {A, B, C, D, E, F, G, H, I, J} and functional dependencies {A, B} rightarrow {C} {A} rightarrow {D, E} {B} rightarrow {F} {F} rightarrow {G, H} {D} rightarrow {I, F} What is the key for R? Decompose R into 2NF and then 3NF relations

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