Interview Questions and Answers

'INCLUDE' is used to include a program into another program at the source code level, while 'EXTEND' is used to add new functionality to an existing program.

Example:

INCLUDE 

'TOP-OF-PAGE' event is triggered before the first line of the page is displayed, while 'TOP-OF-PAGE DURING LINE-SELECTION' event is triggered before each line is displayed in a list.

Example:

TOP-OF-PAGE.

'SELECT-OPTIONS' is used to simplify the selection criteria in database queries. It allows users to enter multiple values for a field, making it easier to filter data.

Example:

SELECT-OPTIONS: s_matnr FOR mara-matnr.

The 'AUTHORITY-CHECK' statement is used to check if the user has the necessary authorization to perform a specific action within the SAP system.

Example:

AUTHORITY-CHECK OBJECT 'S_TCODE' ID 'TCD' FIELD 'SE80'.

A function module is a reusable unit of code that performs a specific task. It can be called from other programs or function modules.

Example:

CALL FUNCTION 'BAPI_MATERIAL_GETLIST'.

The 'CALL TRANSACTION' statement is used to call a transaction in SAP, allowing you to execute a series of related functions.

Example:

CALL TRANSACTION 'MM01' USING bdcdata MODE 'N'.

Modularization in ABAP involves dividing a program into smaller, manageable units like function modules, subroutines, or methods to improve readability and maintainability.

Example:

FORM calculate_total USING p_quantity TYPE i p_price TYPE p DECIMALS 2.

'TOP-OF-PAGE' event is triggered before the first line of the page is displayed, while 'TOP-OF-PAGE DURING LINE-SELECTION' event is triggered before each line is displayed in a list.

Example:

TOP-OF-PAGE.

The 'EXPORT TO DATABASE' statement is used to store data in the database. It is often used to update or insert data records in database tables.

Example:

EXPORT lt_data TO DATABASE db1(ldb) ID 'KEY' MODE 'A'.

'FIELD-SYMBOLS' are used to create a symbolic name (reference) for a field at runtime. It allows dynamic access to data in internal tables or structures.

Example:

FIELD-SYMBOLS:  TYPE any.

A 'Smart Form' is a tool provided by SAP for creating and maintaining print layouts. It allows the creation of sophisticated and interactive forms in SAP applications.

Example:

CALL FUNCTION 'SSF_FUNCTION_MODULE_NAME'.

'CATCH SYSTEM-EXCEPTIONS' is used in exception handling to catch system-level exceptions like 'OBJECTS_NOT_FOUND' or 'PROGRAM_NOT_FOUND'.

Example:

CATCH SYSTEM-EXCEPTIONS = 1.