Data Models and Data Flow diagrams.

Hi Gurus,
Can anybody brief me the concept of Data Models and Data Flow Diagrams and their development with illustrations. And is it a responsibility of a Technical or a Functional consultant..i.e to translate Business requirements and functional specifications into technical specifications, data flow diagrams and data models.
Your valuable answers will be rewarded.
Thanks in advance.

Hi,
Concept of Data Models
Data model or Data modelling is basically how you define or design your BW Architecture based on Business requirements. It deals with designing and creating a effcient BW architecture sticking to standard practices.
Multi-Dimensional Modeling with SAP NetWeaver BI
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/6ce7b0a4-0b01-0010-52ac-a6e813c35a84
/people/githen.ronney3/blog/2008/02/13/modeling-strategies
Modeling the Data Warehouse Layer with BI
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/3668618d-0c01-0010-1ab5-aa75c3a4dfc2
/people/gilad.weinbach2/blog/2007/02/23/a-beginners-guide-to-your-first-bi-model-in-nw2004s
Data Flow Diagrams
This show the path of data flow for each individual object in BW. How data dets loaded into that object and how it is going out of the object etc.
Right click on the data target > show data flow .
It shows all the intermdeiate layer through which data comes into that particular object.
Responsibility of a Technical or a Functional consultant
This is done genrally in the designing phase itself by a Senior Technical Consultant with the help of a Functional consultant or a Techno=Functional consultant interacting with Business.
Hope this helps.
Thanks,
JituK

Similar Messages

How Can I include a logical data model in a Data Flow Diagram?

Hi,
I have done a logical data model and now, I want to include it in a data flow diagram. I do not know which element I should use to make this relation.
Thanks,

Hi,
you need to create "Information structure" in the flow properties dialog and then can assign attributes to that information structure in its properties dialog
Philip

How to create Decision Node in Data Flow diagram under Process Model

Hi,
I am starting a new project and would like to use Oracle Data Modeler for my data flow diagrams and logical/relational diagrams. Could you please guide me how can I ask Decision question in data flow diagram. Ideallly i would like to create a Decision Node (diamond) in Data Flow diagram under Process Model with yes or no option.
Thanks in advance
JM

Hi JM,
may be you are looking for other notation. There is no dedicated decision node in data flow diagramming.
Philip

Losing source-target mapping from a data flow diagram process

Hi,
When I reload a model design from an xml repository, I am losing source-target mappings from a data flow diagram process. I wonder why.
The way it goes is:
- I define a data flow diagram with information stores, processes, and flows.
- Information structures are defined from the flows and the information trickles down to processes and information stores.
- In a process, I define Source-Target Mapping by selecting a target element and then selecting the source element(s).
- I save the whole model.
- So far, the Source-Target Mapping keeps the association between target and source elements.
- If I exit from Data Modeler, the next time I reload the saved model, the Source-Target Mapping target to source elements associations are lost!?
Does anyone have the same issue or would know how to resolve it?
Thanks,
/Mario

I am still having problems getting my source to target mappings to save after I apply the fix described in this thread. Any thoughts?
From my TargetElement.xml
<?xml version = '1.0' encoding = 'UTF-8'?>
<oracle.dbtools.crest.model.design.process.TargetElement parentClass="java.lang.Object">
<property name="objectID" dataType="java.lang.String" readOnly="true" defaultValue="" xmlName="id" xmlType="attribute" getter="getObjectID" setter="setObjectID" reffered="false"/>
<property name="target" dataType="oracle.dbtools.crest.model.design.DesignObject" defaultValue="" xmlName="target" xmlType="element" getter="getTarget" setter="setTarget" reffered="true"/>
<property name="description" dataType="java.lang.String" defaultValue="" xmlName="description" xmlType="element" getter="getDescription" setter="setDescription" reffered="false"/>
<property name="name" dataType="java.lang.String" readOnly="true" defaultValue="" xmlName="name" xmlType="attribute" getter="getName" setter="setName" reffered="false"/>
<property name="transformationType" dataType="java.lang.String" defaultValue="" xmlName="transformationType" xmlType="element" getter="getTransformationType" setter="setTransformationType" reffered="false"/>
<collection name="sources" dataType="java.util.List" xmlName="sources" itemXmlName="sourceRef" getter="getSources" itemIsRef="true" refsXMLName="sourceRefs" addItem="addSource" getItemByID="getSourceByID" nativeList="true" orderTheList="true"/>
<roproperty name="sources" dataType="interface java.util.List" getter="getSources"/>
</oracle.dbtools.crest.model.design.process.TargetElement>
Process.xml:
<?xml version="1.0" encoding="UTF-8" ?>
- <oracle.dbtools.crest.model.design.process.Process parentClass="oracle.dbtools.crest.model.design.process.Transformation">
<property name="type" dataType="int" defaultValue="0" xmlName="type" xmlType="element" getter="getType" setter="setType" reffered="false" />
<property name="batchMinimumTransactions" dataType="int" defaultValue="" xmlName="batchMinimumTransactions" xmlType="element" getter="getBatchMinimumTransactions" setter="setBatchMinimumTransactions" reffered="false" />
<property name="batchTimeUnit" dataType="java.lang.String" defaultValue="" xmlName="batchTimeUnit" xmlType="element" getter="getBatchTimeUnit" setter="setBatchTimeUnit" reffered="false" />
<property name="diagram" dataType="oracle.dbtools.crest.model.design.process.DataFlowDesign" defaultValue="" xmlName="diagram" xmlType="element" getter="getDiagram" setter="setDiagram" reffered="true" />
<property name="footNote" dataType="java.lang.String" defaultValue="" xmlName="footNote" xmlType="element" getter="getFootNote" setter="setFootNote" reffered="false" />
<property name="frequencyTimeUnit" dataType="java.lang.String" defaultValue="" xmlName="frequencyTimeUnit" xmlType="element" getter="getFrequencyTimeUnit" setter="setFrequencyTimeUnit" reffered="false" />
<property name="frequencyTimes" dataType="int" defaultValue="" xmlName="frequencyTimes" xmlType="element" getter="getFrequencyTimes" setter="setFrequencyTimes" reffered="false" />
<property name="interactiveLongestResponseTime" dataType="int" defaultValue="" xmlName="interactiveLongestResponseTime" xmlType="element" getter="getInteractiveLongestResponseTime" setter="setInteractiveLongestResponseTime" reffered="false" />
<property name="interactiveResponseTimeUnit" dataType="java.lang.String" defaultValue="" xmlName="interactiveResponseTimeUnit" xmlType="element" getter="getInteractiveResponseTimeUnit" setter="setInteractiveResponseTimeUnit" reffered="false" />
<property name="mode" dataType="java.lang.String" defaultValue="" xmlName="mode" xmlType="element" getter="getMode" setter="setMode" reffered="false" />
<property name="paramsWrappersString" dataType="java.lang.String" defaultValue="" xmlName="paramsWrappersString" xmlType="element" getter="getParamsWrappersString" setter="setParamsWrappersString" reffered="false" />
<property name="priority" dataType="java.lang.String" defaultValue="" xmlName="priority" xmlType="element" getter="getPriority" setter="setPriority" reffered="false" />
<property name="transformationtask" dataType="oracle.dbtools.crest.model.design.process.TransformationTask" defaultValue="" xmlName="transformationtask" xmlType="element" getter="getTransformationTask" setter="setTransformationTask" reffered="true" />
<property name="peakPeriodsString" dataType="java.lang.String" defaultValue="" xmlName="peakPeriodsString" xmlType="element" getter="getPeakPeriodsString" setter="setPeakPeriodsString" reffered="false" />
<collection name="events" dataType="java.util.List" xmlName="events" itemXmlName="eventRef" getter="getEvents" itemIsRef="true" refsXMLName="eventRefs" removeItem="removeEvent" addItem="addEvent" getItemByID="getPartyByID" nativeList="true" orderTheList="true" />
<collection name="targetMappings" dataType="java.util.List" xmlName="targetMappings" itemXmlName="targetMapping" getter="getTargetElements" createItem="createTargetElement" removeItem="removeEvent" addItem="addTargetElement" getItemByID="getPartyByID" nativeList="true" orderTheList="true" />
<roproperty name="componentFlowsFor" dataType="interface java.util.Collection" getter="getComponentFlowsFor" />
<roproperty name="events" dataType="interface java.util.List" getter="getEvents" />
<roproperty name="flowEvents" dataType="interface java.util.List" getter="getFlowEvents" />
<roproperty name="paramMapping" dataType="oracle.dbtools.crest.model.design.DesignObject" getter="getParamMapping" />
<roproperty name="paramsWrappers" dataType="interface java.util.List" getter="getParamsWrappers" />
<roproperty name="parentprocess" dataType="oracle.dbtools.crest.model.design.process.Process" getter="getParentProcess" />
<roproperty name="parentprocessInDFD" dataType="oracle.dbtools.crest.model.design.process.Process" getter="getParentProcessInDFD" />
<roproperty name="peakperiods" dataType="[Z" getter="getPeakPeriods" />
<roproperty name="processedAttributesAndFlows" dataType="interface java.util.List" getter="getProcessedAttributesAndFlows" />
<roproperty name="processedEntitiesAndFlows" dataType="interface java.util.List" getter="getProcessedEntitiesAndFlows" />
</oracle.dbtools.crest.model.design.process.Process>

Data flow diagram - missing information stores

I am creating data flow diagrams using sql developer data modeler. Often, the information stores that I created and used in the Data Flow Diagrams in the process model are simpy gone when save, close and reopen the model. Even the XML files on the disk are gone. I am using version 2.0.0 build 584. Any idea why this is happening?

Hi,
There is a SQLDeveloper version 2.1.1 (Patch 1) out there.
You could try with that one, just in order to see whether your problem still persist.
If so, let is know.
Cheers!!

Creatimg Data Flow Diagrams using applets

i am using java applets to make an application for Data Flow Diagrams. how to provide for validations for rules for the same and to have multiple level of windowa for it.

nsh11 wrote:
Sorry, i am new to forums.sun.com. Please tell form where to search for creating data flow diagrams using applets.That is too specific a question. If you want help on DFDs, [search on DFDs|http://www.google.com/search?q=Data+Flow+Diagrams]. If you want help with custom rendering, search on [custom rendering Java Tutorial|http://www.google.com/search?q=custom+rendering+Java+tutorial] . If you want help with applets, search on [applets Java Tutorial|http://www.google.com/search?q=applets+Java+tutorial] . If you have any specific questions how to make your DFD work and render in an applet, ask a (much more) specific question.
But to be honest, if you cannot frame a more specific question after researching those links, I would recommend you look to a career in some field other than programming.
Edit 1:
Hit 'enter' too early.
Edited by: AndrewThompson64 on Feb 11, 2010 11:23 PM

Software for Creating Data Flow Diagrams .i.e developing softwares

i recently switched to archlinux from ubuntu.there is ubuntu there was tdfd for creating Data Flow Diagrams but i am not able to find any alternative for archlinux.
Could anyone suggest me the software to be used.
Thanks

Pratgeek wrote:i recently switched to archlinux from ubuntu.there is ubuntu there was tdfd for creating Data Flow Diagrams but i am not able to find any alternative for archlinux.
Could anyone suggest me the software to be used.
drcouzelis wrote:
rp181 wrote:Can't find the program u are talking about though.
I can't find it either. Pratgeek, what was the name of the application you used in Ubuntu? Is there a website for it?
probably a kind of necrobump, but i've been searching for flowchart drawing software, and found this topic.
well, mentioned tdfd is the part of software suite called TCM available at least in debian/ubuntu.
it appears to be really old, i could found only user guide and ubuntu/debian package pages on the web, but it appears to be working quite well.
i've installed it on my ubuntu machine just half an hour ago, but it seems to be at least worth to play with, and i'd even make a PKGBUILD if i like it.

How to analyse the date flow diagram

hi guys,
my question is how to analyse in detail the data flow diagrams and functional and technical spes. how can i understant in detail.
regards,
manju

Hi,
Data flow diagram will show you the flow of the data from the Source System till the data target. It will give you the details of the Data Source, Info Source and Info Provider etc...
Functional Spec gives you the requirement of your company, I mean the fields they need for a particular reports and tables they have used etc... All you have to do is compare the fields you have in your data sources and finout which fields need to be added to the data sources or do you need to go for a new custom data source etc.. and prepare a Gap analysis Document. When You put the details of the data sources till the Info Provider I mean the TRs and URs etc.. in a document it becomes your Tech Spec.
Hope it helps...

How Make a software Design Data Flow Diagrams (DFD)..?

I want a build up software for design DFD (Data Flow Diagrams). Can you help show to me a simple script for design DFD (Data Flow Diagrams). Thanks for all..
My mail : [email protected]

-Also the problem is how to do various validations of objects(line, oval, process) and move these objects using mouse? Which all specific events are needed ?This will help you [http://java.sun.com/docs/books/tutorial/uiswing/painting/step3.html]
-Another problem is how to have mutiple windows framework in applet. By clicking on the process another level corresponding to the process(i.e. its sub-process) will open?I think JInternalFrames would do.
I general please refer to [The Swing Tutorial|http://java.sun.com/docs/books/tutorial/uiswing/], it has answers to many (all) swing related problems. Go through it.
Thanks!

Creating Data flow diagrams

Hi ,
I need to create DFD's via sql developer data modeler.Can some one provide me info on creating DFD's .I am unable to create child functions ( processes) within the parent process.Any help would be greatly appreciated.
Regards
Pavan Peddakota

Hi Pavan,
you need to make the process composite and then go to diagram and create process details.
For information - did you look here http://www.oracle.com/technetwork/developer-tools/datamodeler/overview/index.html
and here http://www.oracle.com/technetwork/developer-tools/datamodeler/learnmore/index.html
Philip

ADF Menu Model and page flows

Hi! I created two Unbounded task flows. One task flow for ADF sub_menu (adfc-paraugs-config.xml) and second task flow for ADF root_menu (adfc-config.xml) (see http://my.jetscreenshot.com/2677/20100708-nite-111kb).
How can I map records between two unboundes task flows? For example in adfc-config.xml page flow I have Search page (meklesana.jspx) and I want to find records in this search page and then select one record and navigate to other page flow (adfc-paraugs-config.xml) jspx page (pasesDati.jspx) You can see page flow in link above. I want to find records in meklesana.jspx and show them in pasesDati.jspx. What to do and what are Your solutions?
I can say that in meklesana.jspx page I had used Page Fragment element to create Search page.
Best Regards

Hi ADFboy! And how can I create sub menu in one task flow?
I used this tutorial: http://www.oracle.com/technology/products/jdev/11/cuecards111/adf_set_43/ccset43_ALL.html
PLZ can You check this out and say what I'm doing wrong?
Best regards!

How to find the data flow for a given module.

Hi ,
Is there a way to find the data flow for a given module(Example AR,AP,......).
I mean are there any predefined document other than user guides that explains with data flow diagrams(including the tables involved).
Any help would be greatly appreciated.
Thanks & Regards,
Naveen.

No such public document available from Oracle unless from Oracle Education.
for some specific operation you can check Process tab inside Oracle Application which shows the data flow as part for workflow process.
Regards
Prashant Pathak

Flow diagrams

Hi, I know that this question shoudn' t be on this forum but there are many people who can help me so please understand me.
I have developed an app for java and now I have to amke some flow diagrams like data flow diagrams (from level 0 to 2) system flow diagrams, state diagrams, transition diagrams (sorry if the name isn't correct in English).
What Im looking for is a web page or someting with information on how to do these diagrams (tutorials, examples, etc).
Thanks for your help. Bye!

UML 2.0 (Unified Modeling Language) is what you are looking for. Googling UML and/or the types of diagrams you need
should give you more hits than you can handle.
You can also check Safari, Amazon, etc. for many UML specific books, beginner and beyond.
Your forum transgression could be forgiven since it can be argued that being able to model the system you are trying
to design is a necessary skill for any programmer/engineer - Java or otherwise.
But in this case, I think it is especially relevant to Java since it is such a strongly object oriented language.
The only thing I would note is that the diagrams you are tasked with making should have been done before writing the app.

Implementation process and Support Process diagrams

Hi Guys
I need the implementation and support process / Business Flow, flowcharts etc. i think i have confused you guys. what i am looking for is something like the activities divided into different sections like Client, onsite, offshore.
Please note that i am not looking for ASAP.
i am looking for activities done by the clients, onsite team and the ofshore team.
I am looking for diagrams.
Thanks in advance.
D

This is the land scape.
Generally we have 3 servers 1) Development server
2) Quality server
3) Production server.
Along with these servers we have Sand box in our place for trail purpose, i.e., before going to develop or testing we just develop here in our sand box and check our requirements.
(Sand box is also called as Golden data box).
ASAP METHODOLOGY:
1)Project Preparation,
2) Blue print phase,
3) Realization phase,
4) Testing phase,
5) Go live phase.
Project Preparation:
Here we do discussions about our project with client. i.e deciding that whether we go for B.W or not, that will help us or not, required it or not.
Here we do making land scape, pricing or project, bidding . Like intial things. And we do time estimation i.e for implementation generally we take 90 days.
Main things to do
1. Discussions with client providing the importance of SAP BW
2. why BW? Here we have convince the client what are the advantages if we implement BW
advantages:
A) End to End solution
In R/3 we give authorization to particular level of REPORT.
In BW we give authorization to particular level of DATA
Eg: if we have 2 plants in R/3. if 2 users use same report. So that they may change or alter the report according to their requirement where as in BW we can give authorization to particular level of data to that particular plant accordingly where as it is not possible in others.
B) Detail level of information in R/3.
Aggregate level of information in BW
C) E.R model in R/3. where as in BW it is Multi Dimensional.
3) ROI Return on Investment
4) Budget discussions.
BLUE PRINT PHASE:
Here we do ..
I. Gathering user requirements.
II. Form some documents like PI Documentation Tree.
PI measure Glossory.
III. preparing functional specs like Data Flow Diagram.
Graphical StarSchema views
ODS object Designs
IV. Approval meeting: Getting approval for functional specs
V. Kick of meeting : this is the final meeting with client about specs.
That will be at the end of work.
REALIZATION PHASE:
Here we do ..
I. we prepare technical specs based on functional specs
II. Getting approval for Technical specs.
III. Designing the objects basing on technical specs. (In development server).
IV. UNIT TESTING (i.e we do general testing like the value in R/3 side is coming to BW side is same or not etc. we use RSA3 Extract checker to check value bet. R/3 and cube)
V. Develop unit test case document.
VI. All developed unit test case documents will be send to client for approval
VII. And finally transporting all the objects to quality box
TESTING PHASE:
Here we do ..
1. Integration Testing: It takes nearly 6 months to 1 yr. depends on project
2. U A T Testing : User Acceptance Test
3. Approval
GO LIVE PHASE:
all objects will be transport to QUALITY to PRODUCTION BOX.
in R/3 system only Data sources will be transported from QUALITY to PRODUCTION
Generally all the data sources will not go live at same time. i.e., they scheduled like SD data sources in first week, MM data sources in next week, PP in next week like that depends on requirement.
If required we do Adhoc reports that means we have to generate reports basing on available data for immediate requirements.
In sand box we do testing ourselves like what will happen when we do change or add or alter the existing objects or any thing in current position. It is just like test box for our purpose only.
SAP BW CONSULTANT
In our project we have ED1 (Enterprise Development) is the developer system and 120 is the client. We have one development system, quality system and integrated planning system.
We are 3 members here in offshore and 2 members in onsite. Onsite TL do take care of preparing technical specs. We joined in the project at realization stage. (We have 5 phases in project. 1. Project preparation 2. Blue print 3. Realization 4. Testing 5. Production)Gap analysis conducted by Onsite Team. They prepare spec and send to us.
Here in offshore iam team member. As a team member my responsibility in this implementation project is installing objects from the business content. Apart from this every Tuesday we have conference call with onsite team. In conference call we discuss what the issues we faced till now are. What is the progress in the project? What will be the next week delivery? What about the previous issues? What are the new changes if any? After conference call completion I have to do Minutes draft of the call. I have to write a mail to onsite TL in which I mention the issues we discussed and To Do list from both sides.
We receive technical specs from our TL. It is completely regarding the installation of objects from business content and generating regular reports.
Finding out the cube (Ex: 0SD_C01), which we need to install, and installing the cube from BC with both data flow inwards and afterwards. This is done only once we confirmed from simulation installation so that no errors will occur while installing.
Once the cube is installed we prepare one more cube (name starts with z like ZC001), which is the copy of the same cube, which is installed just now (intention is not to disturb the BC cube).
After preparing the cube finding out the dataflow from the pictorial view in technical spec. In our spec data flows from Info Source to ODS and then into Cube to Multi Provider. Now prepare the ODS which contains the same characteristics and key figures as cube. Here we add two extra fields in key fields column of ODS that ZDATE & ZTIME. Date and time are populated with formulae. In Date column we define formulae SYS-DATUM and for time SYS-TIMLO.
Creating update rules for ODS we define that ODS gets data from info source as per spec.
No. of update rules depends on no. of info sources from which ODS gets data.
After ODS create update rules for cube saying that cube get data from ODS.
Next create multi provider as per spec. Even though we have only one cube we created multi provider because we want to extend it in future. Multi provider contains all the characteristics and key figures of cube for the time being. This is all as per our spec.
Assigning data source to Info source and activating Transfer rules.
Next creating Info Packages for full, init and delta loads.
Next creating process chains. To create PC we follow this procedure:
Select the cube to which data must be loaded. Go to Context menu (right click) of the cube . Select Info Source overview. It will show what data is flowing into the cube and from which info source.
Check out whether all the info sources are assigned with data sources if not assign it. Check out whether all info packages are created or nor if not create it.
Start creating process chains. In our process chain we have Meta chains (a chain in another chain). We have 4 process chains. One for master data (attribute) another for text and one for hierarchy and another for transaction data.
In Master data PC collect all the info packages for master data loading and at the end add attribute change run, this chain will run daily. (0MATERIAL, 0SALESORG)
In Text PC collect all the info packages for text one by one. This will run daily. (0MATERIAL, 0SALESORG, 0DIVISION, 0VERSION, 0VTYPE)
In Hierarchy PC collect the info packages for hierarchies. This will run daily. (0MATERIAL).
In Transaction data collect all the info packages with full load (temporary only). This also runs daily. (2LIS_01_S001)
Thanks=points
Reddy

Problem with context mapping and data flow in a FPM application

Hi All,
I am trying to develop an ESS application using FPM. For the same, the requirement is to see the history of an employee in the second view.
The first view has got just the overview information and the second one has got the detail. So, the records or the fields are the same on both the views.
As per the FPM guidelines, the Model is residing in the Fc component and the respective Vc components are using the model data accordingly.
I am executing the model in the Fc component calling the executable method in the interfaceController of the first view and then trying to display the output data of the BAPI in the first view which provides the overview information.This is working fine.
But when i am trying to map the same output node to the Table UI for the second view, the record size is coming zero and thus no information is available.
For the above issue, I am again executing the RFC in the InterfaceController of the second view to populate the records, which is incorrect as it is already executed and the data is available for the first view.
I request you to let me know the correct approach to Context mapping and data flow when using FPM-roadmap. Is their any standard method or approach available to deal with such requirements? Please let me know.
Thanks in advance.
Regards
DK

Hi Idhaya,
I model node is available in Fc and the Fc interface controller is being used in the first Vc and the second Vc.
So the idea is, as the executable method is generated in the Fc, so i have created a custom method to call the executable method in Fc, where the input parameter is getting passed and this custom method is finally getting called is the first Vc.
So , now my first Vc is ready to call the custom method in Fc and execute the RFC. Once the RFC is executed, the nodes in the Fc should get populated which is the ideal case.
And as the Fc is used as a component in the second Vc, the same node is available to the UI elements.
But, when I check the record size for the output node, it is always zero, for the second Vc.
Regards
DK

Data Models and Data Flow diagrams.

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