Data Flow Diagrams and Use cases
.
Business Analysis
Whitepaper
Data Flow Diagrams and Use cases
? 2006 Maj ik Consult ing, All right s reserved
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27 December 2008
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D OCUM EN T CON TROL SH EET
Cont a ct for I nquir e s a nd Pr opose d Cha nge s
If you have any questions regarding this document contact:
Name:
Ronald Kohlman
Designation: Consultant
Phone:
03-9017 3184
Web:
majik-
Docum ent Pat h & N a m e: C:\ Maj ik Consult ing\ Maj ik Consult ing W hitepaper Series Vol 2 .0 .doc
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9 January 2 0 1 1
Record of I ssues
Issue No .01
Issue Date 27.12.06
Nature of Amendment Initial Version
This publication has been prepared and written by Majik Consulting Pty Ltd, and is copyright. Other than for the purposes of and subject to the conditions prescribed under the Copyright Act, no part of it may in any form or by any means (electronic, mechanical, microcopying, photocopying, recording or otherwise) be reproduced, stored in a retrieval system or transmitted without prior written permission from the document controller. Product or company names are trademarks or registered trademarks of their respective holders.
Note for non-Majik Consulting Pty Ltd readers: The contents of this publication are subject to change without notice. All efforts have been made to ensure the accuracy of this publication. Notwithstanding, Majik Consulting Pty Ltd does not assume responsibility for any errors nor for any consequences arising from any errors in this publication.
? 2006 Maj ik Consult ing, All right s reserved
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M a j ik Consult ing W hit e pa pe r Se r ie s
Dat a Flow Diagram s and Use Cases Release Version 1.0
Written by Keit h J. Maj oos, MACS B. Sc. Diplom a Dat am et rics, MBA, Grad Diplom a Psychology
Ronald Kohlm an B. Bus ( Business Adm inistration)
? 2006 Maj ik Consult ing Pt y Lt d
( ABN 86 007 192 109)
? 2006 Maj ik Consult ing, All right s reserved
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TABLE OF CONTENTS
TOPIC: DATA FLOW DIAGRAMS AND USE CASES.............................................6 1 OBJECTIVE.......................................................................................................6 2 VIGNETTE.........................................................................................................6 3 LIBRARY DFDS ................................................................................................7
3.1 Level 1 Diagrams .......................................................................................7 3.2 Level 0 Diagrams .......................................................................................8 3.3 Context Diagrams.......................................................................................9 4 FUNCTIONAL DECOMPOSITION ..................................................................10 5 USE CASES ....................................................................................................11 5.1 Define actors ............................................................................................11 5.2 Define actor goals.....................................................................................11 5.3 Use case diagram.....................................................................................12 6 CAN WE STILL USE DFDS?...........................................................................13 6.1 DFD ..........................................................................................................13 6.2 Use Case..................................................................................................14 6.2.1 Maintains Membership .............................................................................15 6.2.2 Issues a library Card.................................................................................16 7 SUMMARY ......................................................................................................16
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