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BDC
1
What should be the approach for writing a BDC program?
Ans.: 1. Analysis the Data. 2. Generate SAP structure. 3. Develop transfer
program 4. Create sequential file. 5. Create batch input program. 6. Process
batch input data
What is the alternative to batch input session?
Ans. : Call transaction & call dialog
2
What are the steps in a BDC session ?
The first step in a BDC session is to identify the screens of the transaction that the
program will process. Next step is to write a program to build the BDC table that will
be used to submit the data to SAP. The final step is to submit the BDC table to the
system in the batch mode or as a single transaction by the CALL TRANSACTION
command.
3
What are the problems in processing batch input sessions? How is batch
input process different from processing on line?
Ans.: Sessions cannot be run in parallel and not fast.
4
What do you do when the system crashes in the middle of a BDC batch
session?
-Check no. of records already updated and delete them from input file and run BDC
again.
5
What do you do with errors in BDC batch session?
-Analysis and correct input file format and entries in internal table BDCDATA.
6
WHAT are the commands that allow you to process sequential file? And what
is their syntax?
Ans :-
· READ DATASET (reading) and TRANSFER (writing)
· OPEN DTASET <dataset name> for <input output appending> in <binary text >
mode at POSITION <position> MESSAGE <field>
· READ DATASET <dataset name > INTO <field>
· CLOSE DATASET <dataset name>
· DELETE DATASET <dataset name>
TRANSFER <field> to <dataset name>
7
What is the process for transferring data from legacy system to SAP?
Ans :- FTP file transfer, Manufacturer specific field transfer NFS(network file
system)/BDC.
8
Explain the process to transfer a record to a dataset?
Ans :- TRANSFER <field> to <dataset name>.
9
Why batch input?
Ans :- To input a large amount of information at off peak times.
10
Can data be put directly into the database?
Ans :- No, only after the data has been entered via transaction.
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