a state transition diagram that shows the customer categories and the

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
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Question
Draw a state transition diagram that shows the customer categories and the conditions for each category. Use figure 6-20 as a guide.
Background
The IT team at Game Technology prepared DFDs for the new C³ system. You will help the team
develop a set of object models. The C³ system model will include use cases that represent various
business processes. The customer and sales rep entities will be actors, with these methods:
Category Conditions
Potential Has not placed an order in the last 24 months, but has responded to a Web
promotion or requested product information or signed up on our game blog
Has placed at least one order in the last 24 months
Active
Preferred Has placed at least three orders in the last 24 months
Former An Active or Preferred customer with no orders in the last 24 months
Transcribed Image Text:Background The IT team at Game Technology prepared DFDs for the new C³ system. You will help the team develop a set of object models. The C³ system model will include use cases that represent various business processes. The customer and sales rep entities will be actors, with these methods: Category Conditions Potential Has not placed an order in the last 24 months, but has responded to a Web promotion or requested product information or signed up on our game blog Has placed at least one order in the last 24 months Active Preferred Has placed at least three orders in the last 24 months Former An Active or Preferred customer with no orders in the last 24 months
Figure 6-20
An example of a state transition diagram for a bank account.
Bank closes account
Opens
account
New
Makes first
deposit
Active/
Existing
Assets
attached
Customer closes account
Assets
released
Frozen
Closed/
Former
Transcribed Image Text:Figure 6-20 An example of a state transition diagram for a bank account. Bank closes account Opens account New Makes first deposit Active/ Existing Assets attached Customer closes account Assets released Frozen Closed/ Former
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