sequence diagram

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

Redraw the same exact sequence diagram below 

customer
interface
DB system
1: search about item0
2: check DB about this itemo
3: item fondo
4: display itemo
5: item not foundo
6: dsplay item not found0
|7: search again)
8: add items)
9: confrm information0
10: dsplay items0
11: remove items0
12: confrm informationO
13: item removedo
14: add items againo
15: remove items agano
... .....
Transcribed Image Text:customer interface DB system 1: search about item0 2: check DB about this itemo 3: item fondo 4: display itemo 5: item not foundo 6: dsplay item not found0 |7: search again) 8: add items) 9: confrm information0 10: dsplay items0 11: remove items0 12: confrm informationO 13: item removedo 14: add items againo 15: remove items agano ... .....
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