7. Which of the following will evaluate to false? i. false AND (true OR NOT (false) ii. true AND (NOT (true AND false)) iii. NOT (false OR (true OR false)) (A) i and ii (B) ii and iii (C) i and iii (D) i, ii, and iii
7. Which of the following will evaluate to false? i. false AND (true OR NOT (false) ii. true AND (NOT (true AND false)) iii. NOT (false OR (true OR false)) (A) i and ii (B) ii and iii (C) i and iii (D) i, ii, and iii
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 answer questions 7-9 and show work and explain how u got the answer!! Not an graded assignment!!

Transcribed Image Text:7. Which of the following will evaluate to false?
i. false AND (true OR NOT (false)
ii. true AND (NOT (true AND false))
iii. NOT (false OR (true OR false))
(A) i and ii
(B) ii and iii
(C) i and iii
(D) i, ii, and iii
8. Which of the following will evaluate to true?
i. (true OR false) AND NOT (true OR
NOT (false))
ii. NOT (true AND
(NOT (true OR false)))
iii. (NOT (true) OR (true AND false))
(A) i
(B) ii
(C) i and iii
(D) ii and iii
9. A group that is watching sea turtle nests, records
data about their nests. Which of the following
is metadata?
(A) Daily temperature of the nest
(B) Date the eggs were laid
(C) Nest tag
(D) Number of data fields tracked
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