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Business analysis - system vs business processes in flowchart

Posted on 2012-03-27
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Hi,

I would like to differenciate between system processess / business processes as well as processes take place as a result of user interaction with the system.

Creating a busineess and system only flowchart, I think placing any processes such as user interaction with the system is incorrect. for example:

A user goes to a web site, select a relationship type from radio buttons and then select A from a list box and then select B from an other list box. Then click the Add button to create a relationship between A and B.

In the flowchart the process should NOT be as:


select Relationship Type  ------ X  ----->  select A ----->  select B ----> Add relationship
                                        ------ Y   ------> do something else

I am not sure what type of process flow is called above?


On the other hand I think the correct flowchart should be:

Relationship Type   ------- X  ---------------> Create relationship  
                               ------- Y  ----------------> do something else

And this is the system process.

Am I correct?

Thanks
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Question by:shmz
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by:kdebugs
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Hi shmz,

I suggest that you get yourself a book called UML in 24 hours. It's an excellent starting point into uml diagramming.

The paragraph that describes the action is called a "use case."

In this case, since there are no decision points it would be a pretty linear "activity diagram" (that's just a fancy, more uml-ish name for a flowchart).

From top to bottom, it would be:

Start
  |
Select from radio buttons
  |
Select from list "A"
  |
Select from list "B"
  |
Click the "Add" button
  |
End

Now, here is what I think MOST important when it comes to design: do whatever works for you and your team. Just because you know uml and are able to throw sofisticated-sounding terms all over the room, doesn't mean you must model every single transaction with 6 different diagrams.

I'm not sure I understood correctly what you're really asking here, but your use-cases are what will let a lay-person understand what your system does (and maybe write end-user documentation for it), and your flowcharts will help a programmer implement it (those would be my starting points). Then, keep in mind that a single flowchart can take care of a large number of use cases.

Alex
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shmz earned 0 total points
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Hi Alex,

The system and business processes I am trying to identify and place in my flowchart are used purly for system/business 'ANALYSIS' purposes. It is not used by the programmer.

Hence I think your suggested approch would not help with analysing a system and for example finding gaps within a system....

however thanks for your input.
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by:kdebugs
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Like I said, I didn't understand what you were asking, exactly.
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by:shmz
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no answer provided
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