BDC , BAPI n LSMW

hi friends,
Tel me a snenorio wher u should go for BDC , BAPI and LSMW....pls dont give technical defintions....pls suggest me the snerios.....
Thanks in advance...
Regards...
Balaji

Hi,
BAPI:
SAP created the Business Framework to allow the technical integration and exchange of business data among SAP components and between SAP and non-SAP components. Important components of the Business Framework are the Business Application Programming Interfaces (BAPIs), which represent visible interfaces at the component boundaries and whose properties serve to integrate these components.
The integration can include both components within a local network and components that are connected with one another through the Internet.
BAPIs allow integration at the business level, not the technical level. This provides for greater stability in the link, and independence from the underlying communication technology.
You can get all the standard SAP BAPI functions with the transactions code 'BAPI'.
BDC:
Batch Data Communication or BDC is a batch interfacing technique that SAP developed. It is mainly used for uploading data into the SAP R/3 system. BDC works by simulating the user input from transactional screen via an ABAP program.
The data input data file will come in the form of a flat file which the user save as file type txt file or prn file from the Microsoft Excel program. An Abaper will create a program to read the text file and upload into the SAP system.
Normally, the tcode SHDB will be used to record the transaction code the user used. After, the simulation, the Abaper can generate a sample program and modify from there. It makes the programming easier and faster.
LSMW:
No ABAP effort are required for the SAP data migration. However, effort are required to map the data into the structure according to the pre-determined format as specified by the pre-written ABAP upload program of the LSMW.
The Legacy System Migration Workbench (LSMW) is a tool recommended by SAP that you can use to transfer data once only or periodically from legacy systems into an R/3 System.
More and more medium-sized firms are implementing SAP solutions, and many of them have their legacy data in desktop programs. In this case, the data is exported in a format that can be read by PC spreadsheet systems. As a result, the data transfer is mere child's play: Simply enter the field names in the first line of the table, and the LSM Workbench's import routine automatically generates the input file for your conversion program.
The LSM Workbench lets you check the data for migration against the current settings of your customizing. The check is performed after the data migration, but before the update in your database.
So although it was designed for uploading of legacy data it is not restricted to this use.
We use it for mass changes, i.e. uploading new/replacement data and it is great, but there are limits on its functionality, depending on the complexity of the transaction you are trying to replicate.
The SAP transaction code is 'LSMW' for SAP version 4.6x.
For those with the older SAP version (4.7 and below), the data migration programs might not have been pre-loaded.
You can download the LSMW at no cost from SAPNet under Services, SAP Methodology and Tools, category Tools.
If you are an existing SAP customer with an OSS ID, you can access the SAP Service Marketplace to download the LSWM for your Basis teams to install to your SAP system: http://service.sap.com/lsmw
The LSM Workbench carries out the following tasks:
Reads the transfer data from one or more files (for example, spreadsheets, sequential files etc.)
Converts the data from the source format into the target format
Note that with background processing, the input file must not be located in the presentation server. Access to presentation server files is only possible when you are working online.
Regards,
Bhaskar

Similar Messages

Wht r the advantages of using bdc rathan than lsmw?

Hi , I want to knwo.. wht r the advangtages of using bdc rathan than lsmw.,,,

Hi,
LSMW and BDC are vastly different.
BDC (Batch Data Communication) is a technology used for data transfer.
it is meant for transferring data thru SAP transactions itself. when u use BDC for data transfer,
the sequence of steps is the same as when u use standard sap transaction screens for data upload. the only difference is that u can use different options for foreground/background processing.
LSMW on the other hand is a tool that helps migrate data from a legacy system (non-sap system ) to SAP system.
it offers u various options to use either batch input, direct input, BAPIs or idocs.
it involves a series of some 17-18 steps to migrate data.
BDC:
Batch Data Communication (BDC) is the process of transferring data from one SAP System to another SAP system
or from a non-SAP system to SAP System.
Features :
BDC is an automatic procedure.
This method is used to transfer large amount of data that is available in electronic medium.
BDC can be used primarily when installing the SAP system and when transferring data from a legacy system (external system).
BDC uses normal transaction codes to transfer data.
Types of BDC :
CLASSICAL BATCH INPUT (Session Method)
CALL TRANSACTION
BATCH INPUT METHOD:
This method is also called as CLASSICAL METHOD.
Features:
Asynchronous processing.
Synchronous Processing in database update.
Transfer data for more than one transaction.
Batch input processing log will be generated.
During processing, no transaction is started until the previous transaction has been written to the database.
CALL TRANSACTION METHOD :
This is another method to transfer data from the legacy system.
Call transaction.
1) asynchronous processing
2) can transfer small amount of data
3) processing is faster.
4) errors need to be handled explicitly
5) data is updated automatically
Session method.
1) synchronous processing.
2) can tranfer large amount of data.
3) processing is slower.
4) error log is created
5) data is not updated until session is processed.
Session method is to populate the data by filling BDC structure
and keep as session to process from SM37 to post in appropriate Transaction.
Call transaction method is to post the data directly into the Transaction from an Executable program.
Features:
Synchronous processing. The system performs a database commit immediately before and after the CALL TRANSACTION USING statement.
Updating the database can be either synchronous or asynchronous. The program specifies the update type.
Transfer data for a single transaction.
Transfers data for a sequence of dialog screens.
No batch input processing log is generated.
For BDC:
http://myweb.dal.ca/hchinni/sap/bdc_home.htm
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/bdc&
http://www.sap-img.com/abap/learning-bdc-programming.htm
http://www.sapdevelopment.co.uk/bdc/bdchome.htm
http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm
http://help.sap.com/saphelp_47x200/helpdata/en/69/c250684ba111d189750000e8322d00/frameset.htm
http://www.sapbrain.com/TUTORIALS/TECHNICAL/BDC_tutorial.html
LSMW:
The LSM Workbench is an R/3-based tool that supports You when transferring data from non-SAP systems ("Legacy Systems") to R/3 once or periodically.
The tool supports conversion of data of the legacy system in a convenient way. The data can then be imported into the R/3 system via batch input, direct input, BAPIs or IDocs.
Furthermore, the LSM Workbench provides a recording function that allows to generate a "data migration object" in an entry or change transaction.
The main advantages of the LSM Workbench:
Part of R/3 and thus independent of individual platforms
A variety of technical possibilities of data conversion:
Data consistency due to standard import techniques:
Batch input
Direct input
BAPIs (Business Application Programming Interfaces)
IDocs (Intermediate Documents)
The import technique to be used in an individual case depends on the business object.
Generation of the conversion program on the basis of defined rules
Clear interactive process guide
Interface for data in spreadsheet format
Creation of data migration objects on the basis of recorded transactions
Charge-free for SAP customers and SAP partners
http://help.sap.com/saphelp_nw04s/helpdata/en/87/f3ae74e68111d1b3ff006094b944c8/content.htm
http://www.sap-img.com/sap-data-migration.htm
http://www.scmexpertonline.com/downloads/SCM_LSMW_StepsOnWeb.doc
http://allsaplinks.com/lsmw.html
http://myweb.dal.ca/hchinni/sap/lsmw_home.htm
some more links
BDC
http://www.sap-img.com/bdc.htm
LSMW
http://www.sap-img.com/sap-data-migration.htm
http://www.sapgenie.com/saptech/lsmw.htm
http://sapabap.iespana.es/sapabap/manuales/pdf/lsmw.pdf
http://www.sap.info/public/INT/int/glossary/int/glossaryletter/Word-17643ed1d6d658821_glossary/L#Word-17643ed1d6d658821_glossary
Thanks.

BAPI with LSMW

hi all,
Any one has step by step procedure BAPI with LSMW.
BAPI with BDC.
sri

Hi Sri,
Please Go through this Link ,
BAPI And LSMW
Regards,
Ramganesan K.

Difference among BDC eCATT and LSMW

Hi guys,
   May I have your attention please?
   I encounter difficulities regarding the relation among the above Data Transfer Tools.
   So far,I have learned a little about these tools, and done some data batch input from
local drive.I find the three tools can deal with the same thing. So my question is what
distinction exists among them since they are similar so much?
Thank you

Refer these links might be useful -
Differences between BDC , LSMW, BAPI,CATT
LSMW Vs BDC
Difference between BDC and LSMW
Regards,
Amit
Reward all helpful replies.

BAPI vs LSMW BAPI

Dear Friends,
What is the advantage of using LSMW BAPI over Normal Bapi ? what are the differences ?
When we will go for LSMW and when we will go for BDC/BAPI/IDoc ?
Thanks all.
Vinay.
Moderator message: FAQ, please search for previous discussions of this topic.
Edited by: Thomas Zloch on Nov 21, 2011 3:51 PM

Hi,
BAPI is nothing but remote function module and can be called from the same sytem or different sytem..
         or different applciation like EP(enterprise portal or XI)..
         Bapi(tables are updated using form routines) is a alternative of BDC(tables are using Screens) ..
BDC- is nothinf but Batch data communication, and it is done through shdb transaction and screen
        recording and ok_codes and data is updated to tables using screen and ok_codes..
LSMW--is a local and you can map fields to screen fields in transacion and update the table using
            lsmw and generally these can be done manually by function people..
Regards,
Prabhudas

Bapi vs lsmw

What is diff b/w bapi vs lsmw ?
What is diff b/w bapi vs bdc ?
Moderator message - Please search before asking - post locked
Edited by: Rob Burbank on May 15, 2009 1:21 PM

Hi,
BAPI is nothing but remote function module and can be called from the same sytem or different sytem..
         or different applciation like EP(enterprise portal or XI)..
         Bapi(tables are updated using form routines) is a alternative of BDC(tables are using Screens) ..
BDC- is nothinf but Batch data communication, and it is done through shdb transaction and screen
        recording and ok_codes and data is updated to tables using screen and ok_codes..
LSMW--is a local and you can map fields to screen fields in transacion and update the table using
            lsmw and generally these can be done manually by function people..
Regards,
Prabhudas

Creation of material using BAPI in LSMW without using material no.

Hi SAP Gurus,
I have a requirement of creating materials using the BAPI in LSMW.
I tried to create a material using the BAPI (Business Object - BUS1001006 , and method - SAVEDATA) which should be created internally, but it is asking the material number to be given externally and my configuration is setup to create the material number internally.
Even I looked into the material type which is associated with the number range and everything looks good.
Is there any solution to create the material by using BAPI in LSMW without passing the material no. externally ?
Appreciate your help.
Kalikonda.

Hi,
it looks like it's not possible to call this BAPI wihtout material number. Here is a quote from BAPI documentation.
When creating material master data, you must transfer the material
number, the material type, and the industry sector to the method. You
must also enter a material description and its language.
Cheers

In LSMW, what is diff between LSMW-BAPI and LSMW-IDOC

hello all
In LSMW, what is diff between LSMW-BAPI and LSMW-IDOC

Hi Swamy,
The differences between IDoc and BAPI are as follows:
IDOC
IDocs are text encoded documents with a rigid structure that are used to exchange data between R/3 and a foreign system.
Idocs are processed asynchronously and no information whatsoever is returned to the client.
The target system need not be always online. The IDOC would be created and would send the IDOC once the target system is available (tRFC concept). Hence supports guaranteed delivery.
With asynchronous links the sub-process on the client can be finished even if the communication line or the server is not available. In this case the message is stored in the database and the communication can be done later.
The disadvantage of asynchronous links is that the sub-process on the server cannot return information to the calling sub-process on the client. A special way for sending information back to the client is required. In addition, a special error handling mechanism is required to handle errors on the receiving side.
IDOCs may be more changeable from release to release.
IDOCs are poorly documented.
BAPI
BAPIs are a subset of the RFC-enabled function modules, especially designed as Application Programming Interface (API) to the SAP business object, or in other words: are function modules officially released by SAP to be called from external programs.
BAPIs are called synchronously and (usually) return information.
For BAPIs the client code needs to do the appropriate error handling.
Problems with synchronous links occur if the communication line or the server is temporarily not available. If this happens, the sub-process on the client cannot be finished (otherwise there would be data inconsistencies).
Synchronous links have the advantage that the sub-process on the server can return values to the sub-process on the client that has started the link.
BAPIs are not totally immune to upgrades.
BAPIs are reasonably well documented.
Reward points if useful.
Best Regards,
Sekhar

Upload the data using BAPI in LSMW

Hi
I want to upload the data using the BAPI in LSMW,but i dont know what value should be passed in
1- Business Object
2- Method
fields.
Ex- Suppose i want to upload the Material Master Data then what should be the value of these two fields.
Thanks
Mrutyunjaya Tripathy

Hi
Sorry to say that i am little bit confuse with your answer
1-The business object already contains some object name wheather i have to give object names or different,As you have mentioned to give the tcode than what tcode that would be
2-If i am giving any internal table name in the method field it is giving me error because this field is related to the business object field
Thanks
Tripathy m

Is there is any BAPI/FM/LSMW for BOMBOS Interface?

I have a requirement to write a custom program to transfer BOM to BOS. This we can do through CG37, But I want to execute CG37 functionality through custom program. Could you please let me know if any one knows BAPI/FM/LSMW for this? Thanks in advance.
You can send information to [email protected]
Thanks
Srini

Dear Srinivass
Kannan is right; but why can you not use Cg37? Here you have a user interface to populate the data; and if you drill down you can see how it is designed. But you need to pay attention. The BOMBOS interface will work (according to my knowledgeI) only if you "trigger" the generation of the worklist; and this is done "different" using a different function module; I believe at the "end" 'C1L0_BOM_TRIGGER_GEN_WL is used as well. BOMBOS is not discussed often here.
E.g. check: http://www.se80.co.uk/sapfms/c/c1l0/c1l0_bom_trigger_gen_wl.htm
consolut - C1L0_BOM_TRIGGER_GEN_WL - EHS: BOMBOS - Initialisierung; Erstellung BOM-Eintrag in ESTWL (sorry I found by hazard only german klink; but there is similar link in english)
May be check as well: SAP EHS Management for Beginners; some references to threads regaridng BOMBOS are available there as well.
C.B.

Is it possible to add a standard BAPI to LSMW?

Hi,
I want to load BASIC Pay data from legacy system to Info type 0008 through LSMW using BAPI_BASICPAY_CREATE. But the BAPI BAPI_BASICPAY_CREATE is not available as BAPI objects in LSMW.
Is it possible to add standard BAPI to LSMW and use it?
Thanks in advance.
Thanks & Regards,
Govind.

Refer these links:
1. BAPI And LSMW and
2. Getting BAPIs into LSMW?
Regards,
Ravi

How to tranfer IDOC and BAPI through LSMW

Hi friends,
I need documents regarding processing of IDOC and BAPi through LSMW,
Thanks In advance,
Regards,
charan

Hi
LSMW-BAPI
Step-by-Step Guide for using BAPI in LSMW
Note! The screen prints in this article are from ECC 5.0. They may differ slightly in other versions.
Introduction:
This document details the usage of BAPI in LSMW. We have used the example of migration of the purchase order data into SAP.
Pre-requisites:
It is assumed that the reader of this article has the minimum knowledge required on the Business Object, BAPI, Message Types and IDoc Types.
Step-by-Step Procedure:
Details of the BAPI used in this scenario:
Business Object: BUS2012
Method: CreateFromData
Details of Message Type and Basic IDoc Type:
Message Type: PORDCR
Basic IDoc Type: PORDCR02
Lets have a look at the BAPI first, before proceeding to the LSMW:
1. Go to Transaction BAPI
2. Click on Search Button
3. Enter the value BUS2012 and select Obj.type(Technical Object Name
4. Press ENTER
5. Following screen appears:
6. On the left side of the screen, Expand the PurchaseOrder.
7. Select PurchaseOrder and double-click on the same for details.
Building LSMW using BAPI:
1. Go to Transaction LSMW.
2. Enter the Project, Subproject and Object information and click on CREATE.
3. Enter the descriptions for Project, Subproject and Object.
4. Now select Settings à IDoc Inbound Processing
5. IDoc Inbound Processing screen appears. Enter the required details as shown below:
6. Click on Activate IDoc Inbound Processing.
7. Click on Yes when prompted for Activate IDoc Inbound?
8. Hit on Back to return to the main screen.
9. Click on Continue (F8). Following Screen appears:
10. Select the Step 1 Maintain Object Attributes and select Execute.
11. Select the radio button Business Object Method and enter the following details:
Business Object: BUS2012
Method: CreateFromData
Hit ENTER
12. Save and click on BACK button. Following information message is displayed.
13. Now select step 2 Maintain Source Structures and click Execute.
14. In this step, we need to maintain the source structure. In our example, lets consider the example of a file with 2 structures Head and Item data as shown below:
Click on Create and name the source structure as HEADERDATA. Now select HEADERDATA and click on Create again to create the child structure. Following popup appears:
Select Lower Level and click on Continue. Enter the Item data structure name.
Click Save and hit BACK button to go to the main screen.
15. Select step 3 Maintain Source Fields and hit execute.
16. Enter the fields as shown below:
17. Click SAVE and return to main screen.
18. Select step 4 Maintain Structure Relations and click Execute.
Select E1PORDCR and click on CREATE RelationShip. Following screen appears:
Select HEADERDATA and hit ENTER
Similarly do the same for the structure E1BPEKKOA, E1BPEKPOC and E1BPPEKET.
Click Save and return to main screen.
19. Select the step Maintain Field Mapping and Conversion Rules and click on execute. Maintain the Field Mapping as seen below:
20. Select step 7 Maintain Source Files and provide the link for the test file created. (Create a test file with the same structure as defined earlier).
Save and return to main screen.
21. Select the step Assign Files and click on Execute.
Assign the file provided to the source structure. Here the same file is provided for both the structures.
Save and return to the main screen.
22. Select the step Read Data and click on Execute.
Click on Execute.
Return to the main screen.
23. Select the step Display read data and click on execute.
Click on the structure name to get the field level values.
24. Return to main screen and now select Convert Data.
25. Return to the main screen and select Display Converted data.
26. Return to main screen and select Start IDoc generation.
27. Now select the step Start IDoc Processing on the main screen.
28. Return to main screen and click on Create IDoc overview. Here the data record and status records of the IDoc could be viewed
It is given in screen shot.
http://www.****************
LSMW-IDOC
see this and do accordingly
http://esnips.com/doc/1cd73c19-4263-42a4-9d6f-ac5487b0ebcb/LSMW-with-Idocs.ppt
Go through the steps
Hi please go through the following steps for IDOC method
Step 1. Run the transaction ( /nlsmw ) you will reach to the screen
Here you have to specify
Project : 060_BUS_TRANS
Subproject : SERVICE_TICKET
Object : SRV_TICKET_ZSVT
click on the execute button .you will reach the screen :
The screen shows the 15 steps to Run the lsmw
Step 2) select the first step ( Maintain object attributes) and click the execute button.After clicking on the execute button you will reach at. the screen
Here you have to specify ( MEssage type and basic type)
click on the BACK button
Step 3) select the 2nd step ( Maintain source structures) and click the execute button
Here you have to specify the source structures.
Step 4) Select the 3rd step ( Maintain source fields) and click on the execute button :
Here you have to specify the fields present in the source structure
Step 5) select the 4th step ( Maintain structure relationship ) and click on the execute button :
Here you have to specify relationship between source and target structures
Step 6) select the 5th step ( Maintain field mapping ) and click on the exécute button :
Here you have to map the fields between source and target structure. Also you have to apply conversion rules here if any
STEP 7) select the 6th step and click on the exécute button
Here you can define any fixed value or user define routines
Step 8) select the 7th step ( Specify files) and click on the exécute button :
At This screen we have to specify the files for This we should be in change mode .So please click on the button shown in the above screen. After clicking on This button you will be in change mode and will be able to specify the files :
Step 9) select the 8th step ( Assign files) and click on the exécute button
For assigning files yoy should be in change mode do the same thing click on the button as shown in the above screen :
Then assign the files to different structures.
Step 10 ) select the 9th step ( Read Data) and click on the exécute button :
After clicking on the exécute button you will reach to the screen
Again click on the exécute button . After clicking on the exécute button you will reach to the next screen
Here you will see data is read.
Step 11) select the 10th step ( Display read data) and click on the exécute button :
Here you can see your test data present in test files assign to source sturcture
Step 12 ) select the 11th step ( Convert data) and click on the exécute button :
After clicking on the exécute button you will reach to the screen
Click on the exécute button as shown on the : After click on the exécute button you will reach to the next screen
Data is converted
Step 12th ( Display converted data is same as Display read data )
Step 13 ) select the 13th step ( Start idoc generation) and click on the exécute
button :
At this step Idoc is generated using converted data
Step 14) select the 14th step ( Start idoc processing ) and click on the exécute button :
After clicking on the exécute button you will reach to the screen :
And then click on the exécute button : After clicking on the exécute button you will reach to the final processive screen
If data is processed correctly you will see ( 53 Status message with green sign)
http://esnips.com/doc/1cd73c19-4263-42a4-9d6f-ac5487b0ebcb/LSMW-with-Idocs.ppt
http://esnips.com/doc/ef04c89f-f3a2-473c-beee-6db5bb3dbb0e/LSMW-with-BAPI.ppt
Reward points for useful Answers
Regards
Anji

Create Work Order Using BAPI in LSMW

Hi All,
I searched in SCN but i dint get the correct idea to create Work Order USING BAPI,
Im trying to create Work Order Using BAPI in LSWM
Can any one Give me Brief Idea to create Work Order(Either Component or Operations) (t code - IW31) using BAPI in LSMW
Regards
Smitha

Hi All,
I searched in SCN but i dint get the correct idea to create Work Order USING BAPI,
Im trying to create Work Order Using BAPI in LSWM
Can any one Give me Brief Idea to create Work Order(Either Component or Operations) (t code - IW31) using BAPI in LSMW
Regards
Smitha

PO BY BAPI THROUGH LSMW

hI I m trying to transfer data of PO with bapi in lsmw
but in the step to create idoc error coming 51 (No master record exists for vendor 100428)
pls suggest me how to resolve the probeln
while vendor exit in the master data

Hi Sandeep,
Add leading zero for vendror numbers In your input file.
Ex: 0000100428
Regards
Praveen

How to execute a BAPI in LSMW

Hi all,
Can any one guide me how to run BAPI in LSMW.
Thanks,
VENKAT

Hi,
Please find the links to various threads on the same.
Re: LSMW - Using a BAPI
BAPI, IDOC in LSMW
Upload the data in LSMW using BAPI
This one is the most complete document for the same
http://sapabap.iespana.es/sapabap/manuales/pdf/lsmw.pdf
http://service.sap.com/lsmw.
Reward points if this Helps.
Manish

BDC , BAPI n LSMW

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