Which method shall we prefer...LSMW, BDC .....

Hi Experts,
While doing database upload, which method shall we prefer...LSMW, BDC (Call Transaction or Session), BAPI, IDOc, Direct Input,
Thanks
-Sid
"Max Points For Best Guidance"

hi,
use of methods depending upon amount:
if you have run time validation while updating the data into SAP R/3 Transaction,then use BDC Call Transaction.
example : when you load the data into Sales order then you need to load the into Header text of sales order.
for this ,you have to use Update Mode 'S'.
if it is online update and if you small amount of data ,then prefer this one
2. If you have huge amount of data and then prefer Session Method.
we have one more advantage in session method...
suppose file has 1,00,000 records and the if you use all the records at time,then you will get short dump like system time exceed .
then you can split the each 10,000 records into one session and will process.
3. Direct Input method : we prefer this method only few Transaction ,
this will not applicable to when system has customer fields .

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I checked the documentation for this BADI which says-
"Note that no system messages may be sent in the methods. The only exception is the AT_SAVE method. Within this method, a system message may be issued, but only if you trigger the exception ERROR_WITH_MESSAGE at the same time."
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Which method ???

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Hi shobha,
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Moderator message: please search for available information/documentation.
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There you hav to go for sessions method....
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which method is easiest for uploading data using LSMW (Direct method or batch input method) bcs I am facing lot of problem using batch input method while recording.Even I cannot use direct method using standard program.can anyone tell me some other easiest way for uploading MM01.?

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LSMW-BDC

pls tell the differences between LSMW and BDC?

Hi Ramnarayana,
BDC:
BDC is a technology used for data transfer.
It is meant for transferring data through SAP transactions itself.
It is for inbound / outbound processing.
When you use BDC for data transfer, the sequence of steps is the same as when you use standard sap transaction screens for data upload.
The only difference is that you can use different options for foreground and background processing.
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.
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.
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.
LSMW
LSMW on the other hand is a tool that helps migrate data from a legacy system (non-sap system ) to SAP system.
It is for inbound processing.
It offers you various options to use either batch input, direct input, BAPIs or idocs.
It involves a series of steps to migrate data.
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
Please check the below link for your kind reference:
Diff. between LSMW & BDC?
Please reward points if it is useful.
Cheers !
Moqeeth.

House number for LSMW /BDC

HI Experts,
When am doing the LSMW/BDC for Customer master House number field in general data.
the" house number " filed is not appearing since Street filed only apearing.
Is there any method to appear house no. filed .
I want to update house no filed for multiple customers.
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Venkat

Hi
I will suggest to use the LSMw with Standard Batch/Direct input method with following details
Object               0050   Customer master
Method               0000
Program Name         RFBIDE00
Program Type         B   Batch Input
after that you can select the field HOUSE_NO in the structure BIADDR2 - BI Structure for Consumers and maintain the same in the sorce fields
REgards
Damu

In which method i can upload data to two transactions at a time and how ?

Hi,
Can any body tell me In which method i can upload datas to two transactions at a time and how
Pls tell me the steps if possible.
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Prabhudutta

Hi,
I hope u are talking abt BDC,
If it is BDC's Then you can use both the methods.
Call Transaction or
Session Method.
Ex ..if already a vendor exists then call transaction xk02
if vendor no is not yet created then call transaction xk01.
hope this helps.
santhosh

How will decide which method is suitable for uploading data

Hi,
How will you decide which method is suitable for uploading data

Hi,
<li>If you haver very few records, even entering manually is also an option.
<li>In most cases where we need more than 20,000 records , BAPI or Direct input would be the fastest. Here error handling is tough here.
<li>You can use BDC(Session and Call transaction methods), where we can write code to identify error records, if you get error records, those can be reprocessed.
Thanks
Venkat.O

Which method is used for event creation

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My client has more then one Purchase Organization. Workflow for Purchase order release very from pur org to pur org. For example - workflow WS92000030 is trigger when PO is created for India pur org where as workflow WS92000021 is trigger when PO is created for US pur org.
I checked and found that same Object Type - BUS2012 & event - RELEASESTEPCREATED is used in all Pur. Org PO release workflow. Also I found in Transaction code - SWETYP that Type linkage activate for BUS2012, RELEASESTEPCREATED in all the PO workflow - WS92000030 & WS92000021.
As per my knowledge, event can be created in various way such as Function module, Change document, General status management, Business Transaction Events etc.
Can some one guide me, how can I found that which method is used for event creation in different pur org?
How can I fould what is the fuctional module used for event creation if Fuctional module used for event creation.
For your information, I can see in T. Code - SWUO that 'Result dependent on a check function module' for all the workflow - WS92000030, WS92000021 etc.
Thanks in

Hi Sahu,
I dont think they have used the Function module or change document or any other kind of methods to trigger the workflow. This is because RELEASESTEPCREATED method is a standard method and it will be triggered by standard SAP. They can not make changes in standard sap saying RELEASESTEPCREATED should be triggered for this Purchase Org .
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Does anyone help me that by which method,i can get the no of rows in the record set?
now i use next() to check whether the next record is available or not?

shashi_rajak wrote:
under Practice Exercise #1 heading :
there is a statement.
"Now, the COUNT function does not need to retrieve all of the fields from the table (ie: employee_number, employee_name, and salary), but rather whenever the condition is met, it will retrieve the numeric value of 1. Thus, increasing the performance of the SQL statement."And have you ever tried it? Or do you simply blindly believe everything you read? And what sort of "authority" is "tech on the net"?
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count(*) -- 1 min 17 secs for 35,311,978 rows
count(1) -- 1 min 19 secs for 35,311,978 rows
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Which method shall we prefer...LSMW, BDC .....

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