ULTIMATE FITNESS CENTER
DATA FLOW
DIAGRAMS
Page 1
ULTIMATE FITNESS CENTER
Context Diagram
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ULTIMATE FITNESS CENTER
Level 0 DFD
External Entities

Customer

Employee
Processes

Employee processing

Personal Trainer processing

Customer processing

Billing

Class schedule processing

Video processing

Feedback processing

Report processing
Data Stores

D1 Employee data

D2 Trainer data

D3 Membership data

D4 Customer data

D6 Classes data

D9 Feedback data

D10 Billing data
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ULTIMATE FITNESS CENTER
Level 0 DFD
Page 4
ULTIMATE FITNESS CENTER
Level 0 DFD Cont...
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ULTIMATE FITNESS CENTER
Level 1 DFD for Process 3 (Customer Processing)
External Entities

Customer
Processes

Register processing

Log In processing

Edit Information

Upgrade or Renew Membership
Data Stores

D3 Membership data

D4 Customer data

D10 Billing data
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ULTIMATE FITNESS CENTER
Level 1 DFD for Process 3 (Customer Processing)
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ULTIMATE FITNESS CENTER
Level 1 DFD for Process 4(Billing)
External Entities

Customer
Processes

Select Billing

Cash Processing

Credit or Debit processing
Data Store

D10 Billing data
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ULTIMATE FITNESS CENTER
Level 1 DFD for Process 4(Billing)
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ULTIMATE FITNESS CENTER
Level 1 DFD for Process 8(Report Processing)
External Entities

Employee
Processes

Select report

Billing report processing

Feedback report processing

Customer report processing
Data Stores

D10 Billing data

D4 Customer data

D9 Feedback data
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ULTIMATE FITNESS CENTER
Level 1 DFD for Process 8(Report Processing)
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