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M A1 E1 R1 E2 A2 A3 Which of the following could be a possible relational model mapping for the above ER diagram? (Assume

 

M A1 E1 R1 E2 A2 A3 Which of the following could be a possible relational model mapping for the above ER diagram? (Assume that keys with the same name in two different relations represent a foreign key mapping)

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