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Let R be the relation { (1,2) (1,3) (2,3) (2,4) (3,1) } and let S be the relation, { (2,1) (3,1) (3,2) (4,2) }. find
Let R be the relation { (1,2) (1,3) (2,3) (2,4) (3,1) } and let S be the relation, { (2,1) (3,1) (3,2) (4,2) }.
find S compose R
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Concepts of Database Management
Authors: Philip J. Pratt, Mary Z. Last
8th edition
1285427106, 978-1285427102
