LSMW

[Former Member]

When will you go for Lsmw

[Former Member]

When will you go for Lsmw

[Former Member]

Hi

LSMW IS ONLY FOR ONE TIME UPDATION , Sometimes this can be used by Functional Consultants

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kiran.M

[Former Member]

Hi Ratna,

<b>LSMW</b> is an encapsulated data transfer tool. It can provide the same functionality as BDC .

<b>Advantages</b>:

1 no need to write large code .almost 60% logic is provided by the tool only.

2 LSMW mapping is done by SAP

3 we can transfer data using session ,direct Input BAPI and IDOC

4.used for single time data transfer

5.It is mostly used for standard transaction codes and predefined objects.

<b>Disadvantage</b> :

only used for single data transfer.

only used for large amount of data.

<b>LSMW</b> used to transfer data without/less code.

What type of data we transfer using LSMW?

LSMW is best suited for transferring master data.

Actually BDC and LSMW are not comparable at all.

for example LSMW itself can use BDC as a way of mass data transfer.

BDC is a mass data transfer technique via screen logic of existing SAP Data entry transactions. It behaves as if you are manually making thousand of entires into sap system as a background job. And that is probably the reason why BAPI's are preffered over BDC's.

On the other hand LSMW is a tool to facilitate DATA migration from other legacy systems ... It contains step by step procedure for data migration.

Like Managing Data Migration Projects , Creating Source Structures , Mapping Source structures wid Target structures , etc etc

LSMW internally might well be using the following techniqes for data transfer..

1. IDOX

2. Direct Input / BDC

4. BAPI's

LSMW is an encapsulated data transfer tool. It can provide the same functionality as BDC infact much more but when coming to techinical perspective most the parameters are encapulated. To listout some of the differences :

LSMW is basicaly designed for a fuctional consultant who do not do much coding but need to explore the fuctionality while BDC is designed for a technical consultant.

LSMW offers different techinque for migrating data: Direct input ,BAPI,Idoc,Batch input recording. While bdc basically uses recording.

LSMW mapping is done by SAP while in BDC we have to do it explicitly .

LSMW is basically for standard SAP application while bdc basically for customized application.

Coding can be done flexibly in BDC when compared to LSMW

"The Data Transfer Workbench (or DX Workbench, transaction SXDA) is an integrated SAP tool that supports data transfer and analysis. It

does not have the built-in features for mapping for source structures to target structures, but it will allow you to integrate Legacy System Migration Workbench (LSMW) objects as processing tasks within a run definition. The DX workbench has many features for creating

test data and performing data migrations - for example, logging of data migration runs.

However, if you need to map or convert data, you should use the LSMW. Or, you can integrate

your LSMW objects as task within a more user-friendly data migration run, in which the LSMW

project steps "Read data", "Convert data," and "Start IDoc processing" are automated

and use the features of both tools. If you donot need logging and automated data migration

runs, you can perform your data migration without the DX Workbench."

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Regards

Gokul

[Former Member]

HI Ratna,

As a Friend i want to tell one thing dont mind.

Before posting any question Please check the solution in SDN, if u r not satisfied THEN u can go for posting,

Please excuse me if u feel difficult with my suggestion (just friendly word)

Anyway just go for this and anlyze each step.

All the Best

Legacy System Migration Workbench(LSMW) is a tool for Uploading the Data into SAP.

Go through the links:

http://www.sapbrain.com/TOOLS/LSMW/SAP_LSMW_steps_introduction.html

http://esnips.com/doc/8e732760-5548-44cc-a0bb-5982c9424f17/lsmw_sp.ppt

http://esnips.com/doc/f55fef40-fb82-4e89-9000-88316699c323/Data-Transfer-Using-LSMW.zip

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

http://esnips.com/doc/7582d072-6663-4388-803b-4b2b94d7f85e/LSMW.pdf

LSMW is an encapsulated data transfer tool. It can provide the same functionality as BDC .

Advantages:

1 no need to write large code .almost 60% logic is provided by the tool only.

2 LSMW mapping is done by SAP

3 we can transfer data using session ,direct Input BAPI and IDOC

4.used for single time data transfer

5.It is mostly used for standard transaction codes and predefined objects.

Disadvantage :

only used for single data transfer.

only used for large amount of data.

BDC:

Advantages:

1 used for small as well as large amount of data.

2 we can transfer data for customized applications as well as predefined applications

3 we can transfer data through Recording with Session,Call transaction and Direct Input method.

4 We can check errors in sm35 in case of session method

Disadvantages:

doesn't support enhancements.

we have to provide explicit mapping.

BDC is the way to transfer data by writing a batch input program which can use either session or call transaction method.

LSMW used to transfer data without/less code.

What type of data we transfer using LSMW?

LSMW is best suited for transferring master data.

Actually BDC and LSMW are not comparable at all.

for example LSMW itself can use BDC as a way of mass data transfer.

BDC is a mass data transfer technique via screen logic of existing SAP Data entry transactions. It behaves as if you are manually making thousand of entires into sap system as a background job. And that is probably the reason why BAPI's are preffered over BDC's.

On the other hand LSMW is a tool to facilitate DATA migration from other legacy systems ... It contains step by step procedure for data migration.

Like Managing Data Migration Projects , Creating Source Structures , Mapping Source structures wid Target structures , etc etc

LSMW internally might well be using the following techniqes for data transfer..

1. IDOX

2. Direct Input / BDC

4. BAPI's

LSMW is an encapsulated data transfer tool. It can provide the same functionality as BDC infact much more but when coming to techinical perspective most the parameters are encapulated. To listout some of the differences :

LSMW is basicaly designed for a fuctional consultant who do not do much coding but need to explore the fuctionality while BDC is designed for a technical consultant.

LSMW offers different techinque for migrating data: Direct input ,BAPI,Idoc,Batch input recording. While bdc basically uses recording.

LSMW mapping is done by SAP while in BDC we have to do it explicitly .

LSMW is basically for standard SAP application while bdc basically for customized application.

Coding can be done flexibly in BDC when compared to LSMW

"The Data Transfer Workbench (or DX Workbench, transaction SXDA) is an integrated SAP tool that supports data transfer and analysis. It

does not have the built-in features for mapping for source structures to target structures, but it will allow you to integrate Legacy System Migration Workbench (LSMW) objects as processing tasks within a run definition. The DX workbench has many features for creating

test data and performing data migrations - for example, logging of data migration runs.

However, if you need to map or convert data, you should use the LSMW. Or, you can integrate

your LSMW objects as task within a more user-friendly data migration run, in which the LSMW

project steps "Read data", "Convert data," and "Start IDoc processing" are automated

and use the features of both tools. If you donot need logging and automated data migration

runs, you can perform your data migration without the DX Workbench."

Reward Points if Useful

Thanks

Naveen khan

[Former Member]

hope this helps you decide when to go for what

<b>BDC and LSMW Diff</b>

LSMW is having different different options and as in BDC we have to code

a program but i suppose the main difference in both the cases is:-

LSMW has been developed mainly for the Functional people who has no

knowledge of the technical aspects of report or BDC in ABAP because its very user friendly and handy to use.

So, simply they can upload the master records using LSMW.

Earlier they had to contact to a ABAP person and ask him to create a BDC taking extra time and efforts.

we use BDC for custom applications.we use LSMW for standard applications and tcodes.

BDc is technique provided by SAP to upload data from legacy to r/3. where as LSMW is a toll to upload data.

In BDC we have to write coding but in LSMW no need to wrtie logic.

LSMW is used only for single time uploading where as we can use BDC pg as many times we want

Refer this

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

Check these link:

http://www.sap-img.com/abap/difference-between-batch-input-and-call-transaction-in-bdc.htm

http://www.sap-img.com/abap/question-about-bdc-program.htm

http://www.itcserver.com/blog/2006/06/30/batch-input-vs-call-transaction/

http://www.planetsap.com/bdc_main_page.htm

http://www.sapbrain.com/FAQs/TECHNICAL/SAP_ABAP_DATADICTIONARY_FAQ.html

http://www.saptechnical.com/InterviewQ/interviewQ.htm

http://help.sap.com/saphelp_46c/helpdata/en/35/2cd77bd7705394e10000009b387c12/frameset.htm

regards,

srinivas

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