Essay
Find the join of the 3-ary relation {(Wages, MS410, N507), (Rosen, CS540, N525), (Michaels, CS518, N504), (Michaels, MS410, N510)} and the 4-ary relation {(MS410, N507, Monday, 6:00), (MS410, N507, Wednesday, 6:00), (CS540, N525, Monday, 7:30), (CS518, N504, Tuesday, 6:00), (CS518, N504, Thursday, 6:00)} with respect to the last two fields of the first relation and the first two fields of the second relation.
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