Let us consider the following two relations R(A, B, C) and 5(B, C. D). R S...
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Let us consider the following two relations R(A, B, C) and 5(B, C. D). R S A B с B 4 с D 51 6 3 7 8 1 5 8 9 11 38 6 8 6 3 86 8 715 Compute the following relational algebra: O(A <D) ^ (R.B = 5.8) (Rx S). Which of the following tuples in the result? Assume each tuple has schema (A, R.B. R.C. 5.B, S.C, D). a (7-1,5, 1,5,6) b. (8,6, 3, 1, 5, 6) c. (6.3, 8, 5, 8, 9) d (4, 1, 1, 1, 5, 6) Let us consider the following two relations R(A, B, C) and 5(B, C. D). R S A B с B 4 с D 51 6 3 7 8 1 5 8 9 11 38 6 8 6 3 86 8 715 Compute the following relational algebra: O(A <D) ^ (R.B = 5.8) (Rx S). Which of the following tuples in the result? Assume each tuple has schema (A, R.B. R.C. 5.B, S.C, D). a (7-1,5, 1,5,6) b. (8,6, 3, 1, 5, 6) c. (6.3, 8, 5, 8, 9) d (4, 1, 1, 1, 5, 6)
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To compute the relational algebra expression A D RB 58 R x S we first need to perform the j... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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