What is the value of the expression a & b?

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
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Problem 8. Consider the assignments
a = set ('newton') and b = set('einstein').
a. What is the value of the expression a -
а - ь?
A
{'o', 'w'}
(B
{'i', 'o', 's', 'w'}
Initials:
Written Exam 1 (Sample)
C
{'e', 'n', t'}
D
{'e', 'i', 'n’, 'o', 's', 't', 'w'}
(E
{'i', 's'}
b. What is the value of the expression a & b?
A
{'i', 's'}
{'o', 'w'}
{'e', 'i', 'n', 'o', 's', 't', 'w'}
(D)
{'e', 'n', t'}
E
{'i', 'o', 's', 'w'}
Transcribed Image Text:Problem 8. Consider the assignments a = set ('newton') and b = set('einstein'). a. What is the value of the expression a - а - ь? A {'o', 'w'} (B {'i', 'o', 's', 'w'} Initials: Written Exam 1 (Sample) C {'e', 'n', t'} D {'e', 'i', 'n’, 'o', 's', 't', 'w'} (E {'i', 's'} b. What is the value of the expression a & b? A {'i', 's'} {'o', 'w'} {'e', 'i', 'n', 'o', 's', 't', 'w'} (D) {'e', 'n', t'} E {'i', 'o', 's', 'w'}
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