Answer / bandivenkateswarlu

bdc is used to upload the data into the sap system by using
the transaction recording SHDB.
this is structure of the bdc to upload the data into the sap
database.

1.analyze the data from the local file or flat file
2.analyze the transaction
3.declaring the internal table (BDCDATA)
programm: name of the module pool programm name
dynpro : screen number
dynbegin: it indicates for the new screen number
fname : name of the fileds in the screen
fval :values are assinged with the fields.
4.transffering the data from flat file to internal
table(BDCDATA)
5.populating the internal table (BDCDATA)

Answer / arun prasad

ACTUALLY, BDC IS USED TO TRANSFER DATA FROM A NON-SAP
SYSTEM TO A SAP SYSTEM OR VICE-VERSA.
THE METHODS WE HAVE IN ABAP ARE BATCH INPUT SESSION, CALL
TRANSACTION USING AND DIRECT INPUT METHOD.
BUT NOW NO ONE IS USING DIRECT INPUT METHOD UNLESS IT IS
NECESSARY.

Answer / bhargavi

In case of transfer data from non-sap to sap system:

First Upload data into internal table.
Then store that data into R3Database.Before storing data we
have to validate that data for this we have to perform
mapping logic.here if the valid data transfered to R3
database,invalid data stored in log files .
for mapping we can use predefined mapping logic method,
nothing but session,call transaction ....

Answer / mahesh rallapalli

Bdc means batch data conversion.
Bdc is used to upload that data from flat file to sap system.
1.prepare tha flat file.
2.do tha recording thrugh SHDB Tcode.
3.upload that data.
4.collect the screen and field details.

Answer / metuteindia

Bdc( Batch data communication) is the communication between sap system and non sap system in the form of data. Here data is moved from non sap to sap system in the form of bartch. means there are 1 lakh records in the flat file, then the data will be converted 10,000 records one batch and another 10,000 recors one bacth.
-> finally, BDC is used to convert or migrate the data from specified file path of legacy system into sap database. For this there are two methods. 1) session 2)call transaction

Answer / chvpavankumar

just upload the data as per client requirement

Suppose we are transfer data through BDC from legacy to SAP and their is some duplicate data in legacy system but we don’t want this in SAP system .So how can we check that this data is already exist ?

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