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This prolog programming questions:   1. Consider the following relation: arc(a,b). arc(b,b). arc(b,c). Select all possible answers to the following question (finding some of them might require typing a semicolon and backtracking): ?-arc(X, Y), arc(Y,Z). Group of answer choices a) X = a, Y = Z, Z = b   b) X = a, Y = b, Z = c ;   c) X = Y, Y = Z, Z = b   d) X = Y, Y = b, Z = c

This prolog programming questions:   1. Consider the following relation: arc(a,b). arc(b,b). arc(b,c). Select all possible answers to the following question (finding some of them might require typing a semicolon and backtracking): ?-arc(X, Y), arc(Y,Z). Group of answer choices a) X = a, Y = Z, Z = b   b) X = a, Y = b, Z = c ;   c) X = Y, Y = Z, Z = b   d) X = Y, Y = b, Z = c

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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This prolog programming questions:
 

1. Consider the following relation:

arc(a,b).
arc(b,b).
arc(b,c).

Select all possible answers to the following question (finding some of them might require typing a semicolon and backtracking):

?-arc(X, Y), arc(Y,Z).

Group of answer choices
a) X = a,
Y = Z, Z = b
 
b) X = a,
Y = b,
Z = c ;
 
c) X = Y, Y = Z, Z = b
 
d) X = Y, Y = b,
Z = c
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