on 11-20-2012 2:10 PM
What is the difference between *OW and *OB Function Modules in SAP CRM ?
Hello,
I think OB means object buffer and OW object workarea.
Best regards,
Thomas Wagner
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Hi,
Data Flow in CRM -
UI -> Interface -> OW -> OB -> DB(Cache) -> Actual Database.
We can read the data from Object Workarea (OW) using FMs with * READ_OW.
We can read the data from Object Buffer (OB) using FMs with * READ_OB.
We can read the data from DB Buffer Cache (DB) using FMs with * READ_DB.
If Data are not found at above levels we have to select that from Actual Database.
Regards,
Dnyanesh Kulkarni.
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Hi Khadeer,
data flow: data->crmd_order->ow layer->ob layer->db layer->database.
And then data goes to ob layer where Object buffer retrieves data from the Buffer (using function modules with *ob extension) before it gets cleared and in the db layer, function modules with *db extension executed which is a final layer to save data in database.
Note: ow and ob function modules genrally deal with data consistency how the data flows from interaction layer to database.
-Regards,
HCL ZENITH
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Hi,
Yes, B stands for Buffer and W stands for Workarea.
While entering values on screen initially it will be stored in work area and after we save the data it will be present in buffer ( local).
Later when all data has been entered and all work is done then data is stored in database.
Thanks,
Shruthi
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Hi Kahdeer,
Above answers are right OW is workarea and they are values in screen intially and OB is buffer data.
So you can read data from buffer also , another difference is you have Function modules to change data in OW For example if you need to change some data for OW there are function modules like CRM_ACTIVITY_H_CHANGE_OW , CRM_STATUS_CHANGE_EXTERN_OW etc. You dont have this kind of function modules for OB.
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