(a) Show the order of evaluation of the following expressions by parenthesizing all subexpressions and placing a superscript on the right parenthesis to indicate order. For example, for the expression a + b * c + d, the order of evaluation would be represented as ((a + (b c) ¹)² + d) ³ *

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Assume the following rules of associativity and precedence for expressions:
Precedence
Highest
/
not
"
+
&
mod
I
(unary)
=
<=
"
I
and
or,
xor
Lowest
Associativity Left to right
(a) Show the order of evaluation of the following expressions by parenthesizing all
subexpressions and placing a superscript on the right parenthesis to indicate order. For
example, for the expression a + b * c + d, the order of evaluation would be
represented as ((a+ (b* c) ¹)² + d) ³
Expression
Order of evaluation
a
* b- 1 + c
*
a (b 1) / c mod d
(a - b) / c & (d * e / a
3)
a or c= d and e
a> b xor c or d < 17
a + b
Transcribed Image Text:Assume the following rules of associativity and precedence for expressions: Precedence Highest / not " + & mod I (unary) = <= " I and or, xor Lowest Associativity Left to right (a) Show the order of evaluation of the following expressions by parenthesizing all subexpressions and placing a superscript on the right parenthesis to indicate order. For example, for the expression a + b * c + d, the order of evaluation would be represented as ((a+ (b* c) ¹)² + d) ³ Expression Order of evaluation a * b- 1 + c * a (b 1) / c mod d (a - b) / c & (d * e / a 3) a or c= d and e a> b xor c or d < 17 a + b
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