2) f is a 3-to-1 correspondence from the domain A to a target set B. Given this information, which sets could possibly be A and B? a. A = {a, b, c, d, e, f} and B = {0, 1} b. A = {a, b, c, d, e, f} and B = {0, 1, 2} c. A = {a, b, c, d, e, f} and B = {0, 1, 2, 3} dA= fa b c, d, e fard B=102,3,4,5)

2) f is a 3-to-1 correspondence from the domain A to a target set B. Given this information, which sets could possibly be A and B? a. A = {a, b, c, d, e, f} and B = {0, 1} b. A = {a, b, c, d, e, f} and B = {0, 1, 2} c. A = {a, b, c, d, e, f} and B = {0, 1, 2, 3} dA= fa b c, d, e fard B=102,3,4,5)

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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Predicates

A predicate is a function defined with set of variables, which returns the result True or False. The output of a predicate is a Boolean value as a response when given a set of parameters:

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2) f is a 3-to-1 correspondence from the domain A to a target set B.
Given this information, which sets could possibly be A and B?
a. A = {a, b, c, d, e, f} and B = {0, 1}
b. A = {a, b, c, d, e, f} and B = {0, 1, 2}
c. A = {a, b, c, d, e, f} and B = {0, 1, 2, 3}
2,3,4,5
CS Scaffeithaf Scanner
d

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