0, avg total = 0, count = foreach x in init(rest(stns)) { total = total + waitTime(first(x), last(x)) 1 %3D %3D 2 3 4 count = count + 1 } if(count # 0) { avg = total / count } 7
0, avg total = 0, count = foreach x in init(rest(stns)) { total = total + waitTime(first(x), last(x)) 1 %3D %3D 2 3 4 count = count + 1 } if(count # 0) { avg = total / count } 7
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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Question
1. Error in line 2
2. Error in line 3
3. Error in line 4
4. Error in line 6
5. Error in line 7
6. No error

Transcribed Image Text:total
0, avg
foreach x in init(rest(stns)) {
1
0, count
3
total = total + waitTime(first(x), last(x))
4
count
count + 1
}
if(count + 0) {
avg = total / count
}
6.
7
8
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