Matrix in MDM

Hi all
can someone explain the concept of matrix in MDM and how is it used for storing Variants for the same product?
What will be the performance issue if any?Do we have any restrictions on number of master and slave relationships?
Can anyone who has worked on this scenario justify its usefulness?
No links please.
Thanks in advance
Ravi

Hi Ravi,
Though I have not actually worked on Matrix but will share how much I know and the stuff i had collected.
Please refer to the link below that contains the fair information about Matrix and also how to configure it.Refer from page no. 12.One more suggestion from my side is:Use SAP's standard shipped Article repository because it is configured for the Matrix application so you have to do few things only.
[https://websmp208.sap-ag.de/installMDM] -> Installation -> MDM 5.5 SP06 IT Scenario Configuration Guide
Once your repository is Matrix enabled (by right clicking on the repository and enabling the Matrix support property), Add Master option will be enabled in the Data manager.By which you can actually create Master and variants relationship but this functionality will be visible only through iViews that u will deploy on your portal (stated in the document mentioned above).
Once you have created Master and its variants and they are sharing some common fields(whose Matrix type have been selected as Master in the Console) then if you change the Master field of the master record, it will be reflected in the corresponding variants also.
Note: If you add the record using Add Master option then that record cannot be deleted unless you have configured all the necessary settings.So it would be better if you try this on some dummy repository.
Regards,
Jitesh Talreja
Edited by: Jitesh Talreja on Apr 8, 2008 3:05 PM

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Please refer to the below thread, with similar query on Matrix application by me Please Share any additional information if you are able to get.
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Hi,
Need some help on Matrix Functionality.
1. I m using std SAP Article Reposttory and have performed all basic steps to enable Matrix functionality in MDM as per following link.
Matrix in MDM
2. Basic setting like assigning the URL's, making fields Martix-" MAster", Key Mapping etc also i have done.
3.In the record mode if i go to Web tab, the connection is getting established with the portal but there's a message on screen"Matrix item not selected, or multiple items not from same matrix group." My Ques is how do i move ahead now and create variants in records pane.I cannot see any matrix formation in data manager scree.
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Edited by: manish gupta on Aug 26, 2009 11:19 AM

Hi Manish,
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https://service.sap.com/~sapidb/011000358700004121872006E > Reference Documentation.
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Best regards,
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Message was edited by: Dharmi Tanna

Hello Walter,
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06/01/18 09:28:37 - ***********************************************************
06/01/18 09:28:40 - Start updating EAR file...
06/01/18 09:28:40 - start-up mode is lazy
06/01/18 09:28:40 - EAR file updated successfully for 188ms.
06/01/18 09:28:40 - Start deploying ...
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06/01/18 09:28:42 -    Application : local/MDMMatrixApp
06/01/18 09:28:42 -
06/01/18 09:28:42 -    local/MDMMatrixApp - WEBDYNPRO
06/01/18 09:28:42 - ***********************************************************
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Jan 18, 2006 9:28:43 AM Info: ***** End of SAP J2EE Engine Deployment (J2EE Application) *****
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Reason: Clusterwide exception: server ID 3492350:com.sap.engine.services.deploy.container.DeploymentException: Clusterwide exception: Failed to prepare application ''local/MDMMatrixApp'' for startup. Reason=
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at com.sap.engine.services.deploy.server.application.ParallelAdapter.runInTheSameThread(ParallelAdapter.java:111)
at com.sap.engine.services.deploy.server.application.ParallelAdapter.makeAllPhasesAndWait(ParallelAdapter.java:230)
at com.sap.engine.services.deploy.server.DeployServiceImpl.startApplicationAndWait(DeployServiceImpl.java:4680)
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(message ID: com.sap.sdm.serverext.servertype.inqmy.extern.EngineApplOnlineDeployerImpl.performAction(DeploymentActionTypes).REMEXC)
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Jan 18, 2006 9:32:21 AM Info: Begin of log messages of the target system:
06/01/18 09:32:21 - ***********************************************************
06/01/18 09:32:21 - dm_msg_0020
I look forward to hear from you. I have also opened a CSS ticket but still......
Many thanks,
Dharmi

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1. Extract the files from the archives.
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Hello :
Thanks for your help...
We have trying configure SRM-MDM Catalog, we have installed "matrix aplication" ( deploying MAtrixServer_1.0.EAR and MatrixApp_1.0.EAR in WAS 6.40) and MDMConector (MDMJavaAPI) ( deploying MDMJAVAAPI<>.sca in WAS 6.40). We want connect to repository with "Matrix Aplication" but we don´t have clear, point 3 and 4. We don´t use "developer studio"
3. Store the JAR files at the standard
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them.
4. Include the path to the JAR files in
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argument, or an application
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Kindly go through the link below to get additional info:
http://help.sap.com/saphelp_mdm550/helpdata/en/8e/9f9c427055c66ae10000000a155106/frameset.htm
Go to ->Repository maintenance->MDM repository security
You will find enough information.
Hope it helps.
Kindly reward points if helpful
Thanks and Regards
Nitin Jain

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Hello,
After successful installation of the Matrix .EAR files now when we try to see Matrix in the WEB pane, it results in error "An Error has occurred Please see log for details".
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2. Is there a demo already available with the data that can be looked into as example?
3. Is there an description available how one can set up the Matrix scenario, something like the Business Package guide that we have for MDM iviews?
I would await a quick response if possible. Thanks much.
Best regards,
Dharmi

Hi Dharmi,
Did u solve this problem?
I am facing this same error. Can u plz guide me on this.
Regards,
Chintan Sheth

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