Reconstruct from Change log

Hi All,
I have a situation here where I have deleted a delta load request from ODS. Load is not through PSA.
I have reconstructed the request from Change log several times before but here in my case I am not able to find the change log request when I give my selections in "Multiple Selections" in Reconstruction tab.
The search parameters I have given are Infosource, Source system, Request Number, Req Id, and date. I have manipulated with these selections here but still not able to find the request in change log.
Could someone please help me here If Iam missing something?
Iam on BW 3.5
Thanks in advance.
Regards,
Srini
Message was edited by:
Srinivas

Hi Venkat,
Iam not able to see my request in the reconstruction tab.
Just now I realized that there were totally 4 requests that were activated with single CHange log ID and by mistake I deleted this delta as well while deleting the other requests.
Any chance of getting back this delta req from change log?
Regards,
Srini
Message was edited by:
Srinivas

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Please let me know if you have any suggestions.
Regards,
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Hi,
You can use the changelog table of the DSO.
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Hi,
For a DSO I want to delete data from "Chnage log table" and " PSA Tabel".
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at PSA Level Mange screen also I have seen " Environment-> " Delete changelog table" from this option also it deletes the data from change log table or it deletes data from PSA table?.
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Hi,
I am not sure what are you referring to from your point "PSA Level Mange screen also I have seen " Environment-> " Delete changelog table". When ever you click on manage for your psa you will be routed to a popup where you can see all your requests in the PSA table & there after if you click on any single request you will get Environment menu option but there wotn be any change log deletion option available. Please check again? Right clicking on your data source will take you to the manage requests for PSA. You can selectively delete the requests as required.
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Also if you want to automate the deletion process then you can simply create a chain and include the steps for PSA deletion & change Log deletion accordingly.
Also it is recommended to keep on clearing the PSA table & Chage log data at regular intervals as it saves the disk space & thus helping in performance optimization
Please refer the below doc at SDN, it will be helpful for you in automating the process of change log deletion & PSA deletion.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a02ba9e7-bb6f-2c10-09b4-e86b9fcbad41?QuickLink=index&overridelayout=true
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Hi,
For Extraction from the DataStore Object, we have the following options for Delta init Extraction:
Active Table (with Archive)
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Active Table (Without Archive)
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I Add and edit the data of Bills of Material Form in SAP B1.
I know that with using change log i can find out the history
to change that particular record.
I also know that It Use AITT and ATT1 for History Data to be saved.
but when i click on Show Differences button then it will display details history
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Hi Nishit...
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Hello Friends,
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Sales Order 1       100 Qty      Nov 1 2009
sales Order 1         50 Qty      Oct 25 2009
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Appreciate your answers........ Thanks for your time......

Hi,
you can do the following:
to find last week
Create a Customer Variable for Calday
EXIT_SAPLRSOO_001 ---> Include ZXRSRUO1 write the code for the variable created above
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date = sy-datum. "Today
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HOW TO USE FUNCTION Deletion of Requests from the Change Log IN PRCSES CHAN

Respected all
i used Deletion of Requests from PSA from the prcess chain and found good results, now i have only one request at the psa and thus i am doing good space utililisation. but when i am using Deletion of Requests from the Change Log i am not getting any changes in the request of dso. kindly let me know how to use this 2nd function.
thanks
abhay

Hi Mahodaya,
As per SAp standards its good to delete the requestes that are no longer needed for the delta update and no longer used ffor inti from the change log table and the data is loaded already in to DSO.
Goto RSPC
Click on create New PC -> enter the PC name n long descp
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In the maintenance screen, select one or more Data Store objects for which requests are to be deleted from the relevant change log tables under Data Store Object column and select theInfo Area of the corresponding Data Store Objects under Info Area
If you select the first check box exclude selction pattern, this means that del of requests from change log table will be ignored.
or
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OR
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Where to see the images other than change log table

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How to view images for extraction's (example Generic ) in DSO without using Change log table.
With Regards,
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Hi,
There is no other option other than change log table to view the images.
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After deletion ODS change log, Delta upload OK?

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If I delete change log after last delta initialization, is there any problem to next delta upload?
For example, the last delta initializing was done April 1. And I delete the change log up to April 30. After this operation, can be expected any problem to Delta upload?
Bamboo Shampoo

I dont think it will cause any issue with next delta loads.
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Use of change log

Dear Experts,
Could you give some clues as to how change log is used .
When do you pull data directly from it and what mechanism is used for pulling data from change log.
Thanks,
Suzie

Hi
Look this
http://help.sap.com/saphelp_nw04/helpdata/en/6d/1fd53be617d524e10000000a11402f/frameset.htm
Wil giv u better understanding of change log functionality
Assign points if useful
Thanks
N Ganesh

Need of Change log deletion for a DSO, when DTP delta Init with Active Tabl

Hi,
Thanks for your time, please help me with the following
Scenario: I have Cube1 being updated from DSO1 with DTP delta, for quite some time. As per new requirement, I would need to create new data mart such that Cube2 gets updated from DSO1.
In order to Configure the delta, I am Considering Following options, please let me know, which one is right one.
Note: DSO1 is in Overwrite Mode.
Create one DTP with update Mode "Delta" , and "Active Table". I knew Delta Changes are captured in change log, but my understanding is, when you execute the DTP for the First time, it fetches the records from Active Table. And from 2nd Run onwards the very "same DTP" without "any changes" get the records from change log, even if we choose "Active Table".
is my understanding is Right?
Do I have to consider deleting the change log, because DSO1 is in Production from quite some time which is in Overwrite mode?
Do I have to create a DTP with Delta and Active Table, run the dtp Once(Init), then choose "Change Log for subsequent runs explicitly
please help me with these. I have reviewed many sap help articles and sdn threads but none of them were helpful. all of them explains, difference b/w active table and change log table, also gives scenarios like use a full DTP and then 2nd DTP with Delta without Data transfer. I am not looking for that kind of details.
Appreciate any help, Thanks again
Edited by: curious maven on Mar 28, 2011 8:35 AM

Hi Uma,
Thanks for your response.
to your question, If I need to load all the data from DSO1 to Cube1, answer is NO. if you read my post once again,
Existing Flow is : DSO1 --> Cube1 (Means, Active Table and Change Logs of DSO1 already Filled Up)
Requirement is: DSO1 --> Cube2. (Need to Init the Delta, and Detlas going forward)
My Questions:
(1) Imagine, DSO1 has 10 requests, so we see resepctive data in Active Table as well as Change Log. As a matter of fact, Data is being updated to DSO1 in Overwrite Mode, so all the changes(10 requests equivalent) would be captured in Change Log, which in turn helpful / used when we do Delta from DSO1 to any Cube, in my case, it used to update to Cube1. As per new requirement, it needs to update to Cube2.
My assumption is, if I choose "Active table and Delta in Extraction Tab" in DTP, During First Run (Delta Init), Data would be fethed from Active table. And the 2nd Run Onwards, delta records would be fetehced from Change Log automatically, even if we don't change the selection from Active Table to Change Log.
Is My Assumption Right?,
in this process, Do I have to Delete Change Log
(2) Do I have to Explicitly change DTP setting from "Active Table to Change Log" Once Delta Init has been run with setting "Active table" inorder to get Deltas from DSO1 --> Cube2 ?
Appreciate your help
Edited by: curious maven on Mar 30, 2011 3:14 PM
Edited by: curious maven on Mar 30, 2011 3:29 PM

Difference between Delta "Change Log" and "Active Table (Without Archive)"?

In BI7.0 environment, we perform our Delta loads (the DTP settings under the Extraction tab, there is a field called Extraction Mode and it's value is selected as "Delta") every day among all our DSOs.
There is a section called "Delta Init. Extraction From..." under the same tab in DTP, there are four radio buttons:
Active Table (With Archive)
Active Table (Without Archive)
Archive (Full Extraction Only)
Change Log
Then what is the difference between "Change Log" and "Active Table (Without Archive)" if both Extraction Mode is "Delta" for two Delta loads?
Thanks!

Hi ,
The new options SP16 has are:(Chk Note 1096771)
Active Table (with Archive)
The data is read from the active table and from the archive or from a near-line storage if one exists. You can choose this option even if there is no active data archiving process yet for the DataStore object.
Active Table (Without Archive)
The data is only read from the active table. If there is data in the archive or in a near-line storage at the time of extraction, this data is not extracted.
Archive (Only Full Extraction)
The data is only read from the archive or from a near-line storage. Data is not extracted from the active table.
Change Log
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From change log : you can take below ones as targets
1) Cube 2) DSO with Addition as the update for the Keyfigures
From Active table: you can take below ones as targets
1) Cube ,if and only if, the records are never changes in the source once after creation
2) DSO with Addition as the update for the Keyfigures ,if and only if, the records are never changes in the source once after creation
3) DSO with Overwrite as the update for the Keyfigures ( incase deletions is not happening in the source system)
Pls check this link
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/47/e8c56ecd313c86e10000000a42189c/frameset.htm
Regards,
CSM Reddy

Change Log Data from DSO to CUBE

Hi Experts,
Is it possible to load/transfer change log data as well from DSO to Cube
Thanks

Hi,
Yes it is possible.
Create a DTP from DSO to cube.
In the extraction tab of DTP choose the option
Datasource Change log
Hope it Helps!!
Reward if useful
Manish

Identify ODS change log request from Cube update rules init routine

Hello all.
I need to use a logic in the Start routine of a cube, whcih change log request are move from an ODS when doing a delta.
Anyone knows if this is possible???
Thnaks and best regards,
Alofnso.

Hello Oscar.
Basically my requirement is to do a selective deletion of the cube, before I load the new data, but the selective deletion has to be done according to some fields of the data that is going to be load to the cube.
That´s why I need this.
Best Regards,
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How to get the Change Log Table name of the ODS from the system table

Hi,
I have a list of ODSs in the system and I am interested in finding the corresponding Change Log Table and the number of records in that table.
Can any one please tell me the name of the system table where this information is stored.
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Regards,
Harikiran Gunnala

Hi
Go to SE16
Give the table name as "RSTSODS".
For User application field give CHANGELOG as input
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PSA
Version
To
Valid from
Object Status
Technical ODS name
Program Name
Maint Program
Object Name
Last changed by
UTC Time Stamp in Short Form
Partition number
Regards
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Reconstruct from Change log

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