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Let A={1,2,3} and B={4,5,6). The set X={(1,4),(3,6),(2,4),(1,5)} is: O a relation between from A to B, but NOT a function from A to B O a set that has nothing to with A and B O equal to AxB O a function from A to B

Let A={1,2,3} and B={4,5,6). The set X={(1,4),(3,6),(2,4),(1,5)} is: O a relation between from A to B, but NOT a function from A to B O a set that has nothing to with A and B O equal to AxB O a function from A to B

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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Let \( A = \{1,2,3\} \) and \( B = \{4,5,6\} \). The set \( X = \{(1,4), (3,6), (2,4), (1,5)\} \) is: - \( \large \circ \) a relation between A and B, but NOT a function from A to B - \( \large \circ \) a set that has nothing to with A and B - \( \large \circ \) equal to \( A \times B \) - \( \large \circ \) a function from A to B
Transcribed Image Text:Let \( A = \{1,2,3\} \) and \( B = \{4,5,6\} \). The set \( X = \{(1,4), (3,6), (2,4), (1,5)\} \) is: - \( \large \circ \) a relation between A and B, but NOT a function from A to B - \( \large \circ \) a set that has nothing to with A and B - \( \large \circ \) equal to \( A \times B \) - \( \large \circ \) a function from A to B
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