Question
2 Let R = {(1, 2), (1, 3), (1, 4), (2, 1), (2, 3), (2, 4), (3, 1), (3, 2),(3, 4), (4, 1), (4, 2),
2 Let R = {(1, 2), (1, 3), (1, 4), (2, 1), (2, 3), (2, 4), (3, 1), (3, 2),(3, 4), (4, 1), (4, 2), (4, 3)} (a) Represent each of the relation in a matrix form. [5 marks] (b) Draw the digraph. [8 marks] (c) Determine Rs characteristics (i.e: reflexive, symmetric, transitive). [7 marks] (d) Is R equivalent? Justify. [5 marks] [Total: 25 marks]
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PostgreSQL 14 Administration Cookbook Over 175 Proven Recipes For Database Administrators To Manage Enterprise Databases Effectively
Authors: Simon Riggs ,Gianni Ciolli
1st Edition
1803248971, 978-1803248974
