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Exercise 8.4.4: Composition of relations and arrow diagrams, cont. Below is the arrow diagram for relation S with the domain {a, b, c, d). Define relation T to be So S. (a) Express relation T as a set of related pairs. (b) Draw the arrow diagram for S o T.

Exercise 8.4.4: Composition of relations and arrow diagrams, cont. Below is the arrow diagram for relation S with the domain {a, b, c, d). Define relation T to be So S. (a) Express relation T as a set of related pairs. (b) Draw the arrow diagram for S o T.

Database System Concepts
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
Section: Chapter Questions
Problem 1PE
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PLEASE TYPE ONLY IF NOT TYPE THAN DO NOT DO IT****

THERE IS ONLY 3 QUESTIONS***

Exercise 8.7.2: Drawing Hasse diagrams.

Each relation given below is a partial order. Draw the Hasse diagram for the partial order.

(c)

The domain is {1, 5, 8, 11, 13}. x ⪯ y if x ≤ y.

Exercise 8.4.4: Composition of relations and arrow diagrams, cont. Below is the arrow diagram for relation S with the domain {a, b, c, d). Define relation T to be So S. b (a) Express relation T as a set of related pairs. (b) Draw the arrow diagram for So T.
Transcribed Image Text:Exercise 8.4.4: Composition of relations and arrow diagrams, cont. Below is the arrow diagram for relation S with the domain {a, b, c, d). Define relation T to be So S. b (a) Express relation T as a set of related pairs. (b) Draw the arrow diagram for So T.
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