SAP ABAP Interview Questions and Answers
Freshers / Beginner level questions & answers
Ques 1. What is ABAP?
ABAP (Advanced Business Application Programming) is a high-level programming language created by SAP for developing applications in the SAP environment.
Example:
DATA: lv_variable TYPE i.
Ques 2. What is a Data Dictionary in SAP?
The Data Dictionary in SAP is a centralized repository that stores and manages metadata about data. It defines and manages data definitions, relationships, and structures used in the SAP system.
Example:
DATA: BEGIN OF it_data OCCURS 0, field1 TYPE i, field2 TYPE string, END OF it_data.
Ques 3. What is an internal table in ABAP?
An internal table is a temporary table within the ABAP program used to store and process data during runtime.
Example:
DATA: lt_data TYPE TABLE OF string.
Ques 4. What is the difference between 'MOVE' and 'MOVE-CORRESPONDING' in ABAP?
'MOVE' is used to copy the content of one field to another, while 'MOVE-CORRESPONDING' copies values from fields with the same name in two structures or internal tables.
Example:
MOVE wa_source TO wa_target.
Ques 5. What is the role of the SAP Data Dictionary?
The SAP Data Dictionary is used to centrally manage metadata like data definitions, data elements, domains, and database objects in the SAP system.
Example:
DATA: lv_amount TYPE i.
Ques 6. Explain the purpose of the 'LOOP AT' statement in ABAP.
The 'LOOP AT' statement is used to iterate over the lines of an internal table in ABAP and perform operations on each line.
Example:
LOOP AT lt_data INTO wa_data.
Ques 7. What is the difference between 'SY-SUBRC' and 'SY-SUBRC <> 0' in ABAP?
'SY-SUBRC' is a system field that holds the return code of the last executed statement. 'SY-SUBRC <> 0' is a condition that checks if the last statement was successful.
Example:
IF sy-subrc = 0.
Ques 8. What is the purpose of the 'LIKE' addition in ABAP data declarations?
The 'LIKE' addition is used to define a data object with the same data type and length as an existing data object or field.
Example:
DATA: lv_copy LIKE lv_original.
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