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Consider the following relations, calculate the operations: Graduates Number 7274 7432 9824 Managers Number Surname Age 37 39 38 Surname Robinson O'Malley Darkes 9297 O'Malley56

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Consider the following relations, calculate the operations: Graduates Number 7274 7432 9824 Managers Number Surname Age 37 39 38 Surname Robinson O'Malley Darkes 9297 O'Malley56 7432 O'Malley39 9824 Darkes 38 a. Graduates U Managers b. Graduates n Managers c. Graduates - Managers

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