SAP BDC Interview Questions and Answers
Question - 41 : - What is ‘BATCH INPUT’ or ‘BDC'?
Answer - 41 : -
The SAP system offers two primary methods (BDC SESSION METHOD, CALL TRANSACTION METHOD) for transferring data into the system from other systems and Non-SAP systems. These two methods are collectively called as ‘BATCH INPUT’ or ‘Batch Data Communication’ (BDC).
Question - 42 : - What are the advantages in Batch Input?
Answer - 42 : -
The Batch Input ensures Data integrity.
No manual interaction is required during Data transfer.
Question - 43 : - What is Synchronous Database update?
Answer - 43 : -
During the processing, no transaction is stored until the previous transaction has been written to the Database. This is called Synchronous Database update.
Question - 44 : - What are the types of Batch Input?
Answer - 44 : -
Classical Batch Input
Call Transaction
Call Dialog
Question - 45 : - What is BDC_OKCODE ?
Answer - 45 : -
The command field is identified by a special name in batch input called BDC_OKCODE. This name is constant and always identifies the command field.
Question - 46 : - How can we execute a function in a BDC session?
Answer - 46 : -
We can execute a function in a transaction by entering the function code or function key number in the command field of an SAP session. A function key number must be prefixed with the / (slash) character. A function code must be prefixed with the = character.
Example:
BDCDATA-FNAM = 'BDC_OKCODE'
BDCDATA-FVAL = '=UPDA'
Question - 47 : - Who are Dialog users and who are Background users?
Answer - 47 : -
Dialog users are normal interactive users in the SAP system. Background users are user master records that are specially defined for providing authorizations for background processing jobs.
Question - 48 : - What is the use of BDC_INSERT ?
Answer - 48 : -
We add a transaction to a Batch Input Session by using this function.
Question - 49 : - What does the message parameter indicates ?
Answer - 49 : -
The message parameter indicates there all system messages issued during a CALL TRANSACTION are written into the internal table. The internal table must have the structure of BDCMSGCOLL.
Question - 50 : - What is Direct Input ?
Answer - 50 : -
To enhance the batch input procedure, the system offers the direct input technique especially for transferring large amount of data. This technique doesn’t create sessions but stores the data directly. The direct input programs must be executed in the background only. To maintain and start these programs, use program RBMVSHOW or the transaction BMVO.