Let R ={A, B, C, D, E, F} be a relation schema with the following depe – McqOptions

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1.	Let R ={A, B, C, D, E, F} be a relation schema with the following dependencies C→F,E→A,EC→D,A→BWhich of the following is a key for R ?
A.	CD
B.	EC
C.	AE
D.	AC
Answer» C. AE

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