文档介绍：ABAP 100 道面试题
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1. What is the typical structure of an ABAP/4 program?
HEADER
,BODY,FOOTER.
2. What are field symbols and field groups.?
Have you used "component idx of structure"
clause with field groups?
Field symbols:-
Field groups :-
3. 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 ess data will transfer).
4. 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.
5. What is the alternative to batch input session?
Call transaction.
6. A situation: An
ABAP program creates a batch input session.
We need to submit the program and the batch session in back ground.
How to do it?
Please go to SM36 and create background job by giving job name,job class and job steps
(JOB SCHEDULING)
8. What are the problems in processing batch input sessions?
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.
10.
What are the different types of data dictionary objects?
tables, structures, views, domains, data elements,
lock objects, Matchcode objects.
11. How many types of tables exists and what are they in data dictionary?
4 types of tables
i)Transparent tables - Exists with the same struct