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Entity Function Matrix

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Entity Function Matrix Putting It All Together Northern College Diploma Philip Bird The SSADM Route Entity Function Matrix Cross reference entities with functions. – PowerPoint PPT presentation

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Title: Entity Function Matrix


1
Entity Function Matrix Putting It All Together
  • Northern College Diploma
  • Philip Bird

2
The SSADM Route
Data Flow Modelling
Entity Modelling
3
Entity Function Matrix
  • Cross reference entities with functions.
  • List all entities from entity modelling.
  • List all functions from data flow modelling.
  • Mark the intersection with a Delete, Read,
    Modify, Create or leave blank.
  • In a full system all entities should have D, C,
    R/M entries.

4
Order Processing DFD
5
Order Processing Entity Model
6
Entity Function Matrix
Process




Process
1 Place order
2 Cancel order
3 Get stock delivery
4 Add new customer
7
Entity Function Matrix
Process
1 Place order
2 Cancel order
3 Get stock delivery
4 Add new customer
Entity Process
Customer Order Product
8
Entity Function Matrix
Entity Process Customer Order Product
1 Place order
2 Cancel order
3 Get stock delivery
4 Add new customer
R C M
R D M
M
C
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