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# What is the final entry in BDC Table ?
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How do you see the authorization checks
In the interactive reporting, the first event you enter is "initialisation" that is used for the authorization checks , mainly the administrator is responsible for that purposes and he only has the authority for that.
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# why Transaction Varient need ?
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What is the alternative to batch input session?
Call transaction.
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What should be the approach for writing a BDC program?
STEP 1: CONVERTING THE LEGACY SYSTEM DATA TO A FLAT FILE to internal table CALLED "CONVERSION". STEP 2: TRANSFERING THE FLAT FILE INTO SAP SYSTEM CALLED "SAP DATA TRANSFER". STEP 3: DEPENDING UPON THE BDC TYPE i)call transaction(Write the program explicity) ii) create sessions (sessions are created and processed.if success data will transfer).
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What are field symbols and field groups.? Have you used "component idx of structure" clause with field groups?
Field symbols:- Field groups :-
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What is a batch input session?
BATCH INPUT SESSION is an intermediate step between internal table and database table. Data along with the action is stored in session ie data for screen fields, to which screen it is passed, program name behind it, and how next screen is processed.
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What are the problems in processing batch input sessions and How is batch input process different from processing online?
PROBLEMS:- i) If the user forgets to opt for keep session then the session will be automatically removed from the session queue(log remains). However if session is processed we may delete it manually. ii)if session processing fails data will not be transferred to SAP database table.
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