3. For S = {2,5, 6, 8} and T = {2, 4, 6, 8}, compute |ST|+|SUT. OL

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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How is the answer to number 3, eight? Please solve it and explain how.

1. With S₁ = {2, 3, 5, 7}, S₂ = {2, 4, 5, 8, 9}, and U = {1: 10}, compute S₁ US₂.
2. With S₁ = {2, 3, 5, 7} and S₂ = {2, 4, 5, 8, 9}, compute S₁ × S₂ and S2 × S₁.
3. For S = {2,5, 6, 8} and T = {2, 4, 6, 8}, compute |ST|+|SUTI.
Lal 172
Transcribed Image Text:1. With S₁ = {2, 3, 5, 7}, S₂ = {2, 4, 5, 8, 9}, and U = {1: 10}, compute S₁ US₂. 2. With S₁ = {2, 3, 5, 7} and S₂ = {2, 4, 5, 8, 9}, compute S₁ × S₂ and S2 × S₁. 3. For S = {2,5, 6, 8} and T = {2, 4, 6, 8}, compute |ST|+|SUTI. Lal 172
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