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interfaces
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‎2006 Nov 20 5:55 AM
- SAP Managed Tags
- ABAP Connectivity
Hi,
1) what is the difference between interfaces and conversions.
2) Is bdc an inerface technique or conversion technique.
3)Using idocs i transfer the data from an legacy system to SAp system.is idoc a proprietary of Sap, i mean in inbound the data comes first in the form of files then it is converted to idocs and brought to SAP is it goes lik that.
4) why is conversion run one time wenever data comes from legacy system it is in legacy format lik name in 10 characters doc no in 18 whereas in sap it is 8 and 10 respectively so conversion requires everytime
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‎2006 Nov 20 6:15 AM
- SAP Managed Tags
- ABAP Connectivity
As the name says.. an Interface is a service or application that communicates between 2 different applications.
the only difference b/w conversion and interface is that Conversions are run once and interfaces are some thing that are run more than once.
Also technically speaking Interfaces can communicate both ways.. as in.. In and Out.. while conversions are only one sided...
e.g. Data comes from System A to B .. this is conversion (only once)
Data coming and going from A and B.. this is interface (more than once)
BDC ... again... what scenario... a one time or more than once. It is a conversion as well as interface technique.
imp : programs that are run one time are called conversion programs... those that are run more than once are called interface programs.
Dude.. Point 3 and 4 I could not understand your point...Can you explain ur question.
hope this was useful. Award points if it was.
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‎2006 Nov 20 6:21 AM
- SAP Managed Tags
- ABAP Connectivity
CONVERSION programs are the ones which have one time usage, usually when a legacy system is being replaced by a system like SAP, then the data has to be mapped from the legacy system to SAP system. Here the data to be converted is given on a flat file & is uploaded to SAP tables mostly using LSMW only.
INTERFACE programs are the ones which are run at regular intervals, say weekly, monthly or even daily. Here the legacy system continues to co-exist along with SAP system, the legacy system might be useful for certain functionalities but the data might have to run thru SAP transactions for complex data maintenance at regular intervals.
Conversion is used only once for example (BDC) to upload data single time.where as interface we can use multiple times. Interfaces are BAPI,IDOC'S. According to requirement we have to choose to upload data by interface or conversion.
I hope it helps.
Best Regards,
Vibha
*Please mark all the helpful answers
Bluesky