100 ABAP Interview Questions (Part 1)

Are you planning to take up an ABAP Certification  or having hard up looking for a new job due to interviews? So this is the right place for you.Here are some of the ABAP Interview/Certifications questions compiled. It tackles many aspect of ABAP programming like data dictionary, dialog programming etc. Enjoy reading and answer as many possible you can.

1. If a table does not have MANDT as part of the primary key, it is ____.
A: A structure  
B: Invalid
C: Client-independent
D: Not mandatory

2. In regard to CALL, which of the following is NOT a valid statement?
A: CALL FUNCTION
B: CALL SCREEN
C: CALL TRANSACTION
D: CALL PROGRAM

3. Name the type of ABAP Dictionary table that has these characteristics:
Same number of fields as the database table
Same name as database table
Maps 1:1 to database table

A: Pooled
B: Cluster
C: Transparent
D: View

4. An event starts with an event keyword and ends with:
A: Program execution.
B: END-OF-EVENT.
C: Another event keyword.
D: END-EVENT.

5. What is the system field for the current date?
A: SY-DATUM
B: SY-DATE
C: SY-DATID
D: SY-SDATE
6. The following code indicates:
SELECT fld1 fld2 FROM tab1 APPENDING TABLE itab
WHERE fld1 IN sfld1.

A: Add rows to the existing rows of itab.
B: Add rows to itab after first deleting any existing rows of itab.
C: Select rows from tab1 for matching itab entries.
D: Nothing, this is a syntax error.

7. You may change the following data object as shown below so that it equals 3.14.
CONSTANTS: PI type P decimals 2 value '3.1'.
PI = '3.14'.

A: True
B: False

8. The SAP service that ensures data integrity by handling locking is called:
A: Update
B: Dialog
C: Enqueue/Dequeue
D: Spool

9. Which of these sentences most accurately describes the GET VBAK LATE. event?
A: This event is processed before the second time the GET VBAK event is processed.
B: This event is processed after all occurrences of the GET VBAK event are completed.
C: This event will only be processed after the user has selected a basic list row.
D: This event is only processed if no records are selected from table VBAK.

10. Which of the following is not a true statement in regard to a hashed internal table type?
A: Its key must always be UNIQUE.
B: May only be accessed by its key.
C: Response time for accessing a row depends on the number of entries in the table.
D: Declared using internal table type HASHED TABLE.

11. TO include database-specific SQL statements within an ABAP program, code them between:
A: NATIVE SQL_ENDNATIVE.
B: DB SQL_ENDDB.
C: SELECT_ENDSELECT.
D: EXEC SQL_ENDEXEC.

12. To measure how long a block of code runs, use the ABAP statement:
A: GET TIME .
B: SET TIME FIELD .
C: GET RUN TIME FIELD .
D: SET CURSOR FIELD .

13. When a secondary list is being processed, the data of the basic list is available by default.
A: True
B: False


14. Given:
DATA: BEGIN OF itab OCCURS 10,
qty type I,
END OF itab.

DO 25 TIMES. itab-qty = sy-index. APPEND itab. 
ENDDO.

LOOP AT itab WHERE qty > 10.
WRITE: /1 itab-qty.
ENDLOOP.

This will result in:
A: Output of only those itab rows with a qty field less than 10
B: Output of the first 10 itab rows with a qty field greater than 10
C: A syntax error
D: None of the above

15. After a DESCRIBE TABLE statement SY-TFILL will contain
A: The number of rows in the internal table.
B: The current OCCURS value.
C: Zero, if the table contains one or more rows.
D: The length of the internal table row structure.

16. You may declare your own internal table type using the TYPES keyword.
A: True
B: False

17. After adding rows to an internal table with COLLECT, you should avoid adding more rows with APPEND.
A: True
B: False

18. Which of the following is not a component of control break processing when looping at an internal table?
A: AT START OF
B: AT FIRST
C: AT LAST
D: AT NEW

19. A dictionary table is made available for use within an ABAP program via the TABLES statement.
A: True
B: False


20. Which of the following would be best for hiding further selection criteria until a function is chosen?
A: AT NEW SELECTION-SCREEN
B: SELECTION-SCREEN AT LINE-SELECTION
C: SUBMIT SELECTION-SCREEN
D: CALL SELECTION-SCREEN