Construct a logical expression to represent each of the following conditions.  (a) score is greater than or equal to 80 but less than 90 (b) answer is either ‘N’ or ‘n’ (c) n is even but not 8

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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. Construct a logical expression to represent each of the following conditions. 

(a) score is greater than or equal to 80 but less than 90

(b) answer is either ‘N’ or ‘n’

(c) n is even but not 8

(d) n is divisible by 3 but not by 30

(e) ch is a lowercase or uppercase letter

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