Primus Techsystems SAP Abap Consultant Interview Questions and Answers

A lock object is used in SAP ABAP to control access to shared resources and prevent conflicts.

• Lock objects are used to ensure data consistency in multi-user environments.

• They are used to prevent multiple users from simultaneously accessing and modifying the same data.

• Lock objects can be defined and used in ABAP programs using the ENQUEUE and DEQUEUE statements.

• They can be used to lock entire tables, specific rows, or e...read more

Inheritance is a mechanism where a new class is derived from an existing class. Polymorphism is the ability of an object to take on many forms.

• Inheritance allows the new class to inherit properties and methods of the existing class.

• Polymorphism allows objects of different classes to be treated as if they belong to a common class.

• Inheritance is a way to achieve code reusability.

• Polymorphism can be achieved through metho...read more

Include and append structures are used in SAP ABAP to enhance existing data structures.

• Include structure is used to add fields from a transparent table or structure to another structure.

• Append structure is used to add fields to the end of a transparent table or structure.

• Include structure is used when the added fields are already present in the database table or structure.

• Append structure is used when the added fields ...read more

Smarform is a tool in SAP ABAP used for creating and formatting printable forms. There are different types of windows in Smartform.

• Smarform is a form development tool in SAP ABAP.

• It is used to create and format printable forms like invoices, purchase orders, etc.

• Smartforms consist of different elements like windows, pages, and nodes.

• Windows in Smartforms are used to define the layout and structure of the form.

• There are...read more

Maintenance view is a view used to maintain data in database tables.

• It is used to update, insert or delete data in database tables.

• It simplifies the maintenance of data by providing a user-friendly interface.

• It is created using transaction code SM30.

• It can be used to maintain data in multiple tables at once.

• It can also be used to restrict access to certain fields or tables.

BAPI_MATERIAL_SAVEDATA is a frequently used BAPI for material master data

• BAPI_MATERIAL_SAVEDATA is used for creating, updating and deleting material master data

• BAPI_PO_CREATE1 is used for creating purchase orders

• BAPI_GOODSMVT_CREATE is used for posting goods movements

• BAPI_ACC_GL_POSTING_POST is used for posting accounting documents

There are three types of enhancements in SAP ABAP: Implicit, Explicit, and Explicit with modification.

• Implicit enhancement: Adding custom code at predefined points in standard SAP code without modifying it.

• Explicit enhancement: Adding custom code at predefined points in standard SAP code by modifying it.

• Explicit enhancement with modification: Adding custom code at any point in standard SAP code by modifying it.

• Examples...read more

TABLE is a database object that stores data while TEMPLATE is a predefined structure used for creating new objects.

• TABLE is used to store data in a database while TEMPLATE is used to create new objects based on a predefined structure.

• TABLE has fields and records while TEMPLATE has placeholders for data.

• TABLE is used for data storage and retrieval while TEMPLATE is used for object creation and standardization.

• Example of...read more

Constructor is a method that is called when an object is created. Destructor is a method that is called when an object is destroyed.

• Constructor initializes the object's data members and allocates memory for the object.

• Destructor frees the memory allocated to the object and cleans up any resources used by the object.

• In ABAP, constructors and destructors are defined using the methods CONSTRUCTOR and DESTRUCTOR respective...read more

The IF GT_VBAK IS INITIAL statement is used to check if the internal table GT_VBAK is empty.

• The statement is used to avoid processing an empty internal table.

• It helps in preventing runtime errors when accessing the table.

• By checking if the internal table is initial, we can handle the empty table scenario gracefully.

• It is a good practice to use this statement before accessing the internal table.

Classical reports in ABAP have specific events that control the flow of report processing.

• START-OF-SELECTION: Main processing block where data retrieval occurs.

• END-OF-SELECTION: Final processing block, often used for output.

• TOP-OF-PAGE: Used for page header formatting in list output.

• AT LINE-SELECTION: Triggered when a user selects a line in the output list.

• AT USER-COMMAND: Handles user commands like function keys.

Yes, INCLUDE is an executable statement in SAP ABAP.

• INCLUDE statement is used to include a program or a subroutine in another program.

• It is executed at runtime and the included program or subroutine is executed as part of the main program.

• INCLUDE statement can be used to modularize the code and improve reusability.

• Example: INCLUDE [OBJECT ].

BDC is Batch Data Communication used for mass data input. BAPI is Business Application Programming Interface used for accessing SAP data.

• BDC is used for uploading data from external systems into SAP

• BAPI is used for accessing SAP data from external systems

• BDC uses transaction recording and batch input sessions

• BAPI uses pre-defined function modules

• BDC is suitable for simple data uploads

• BAPI is suitable for complex busine...read more

There are two types of reports in SAP ABAP: classical and interactive.

• Classical reports are simple and display data in a tabular format.

• Interactive reports allow users to interact with the data and perform actions like sorting, filtering, and editing.

• Interactive reports are more complex to develop than classical reports.

• Examples of classical reports include ALV reports and drill-down reports.

• Examples of interactive rep...read more

The function module used in ALV reports is REUSE_ALV_GRID_DISPLAY.

• REUSE_ALV_GRID_DISPLAY is a function module used to display ALV reports.

• It takes input parameters like the internal table containing the data to be displayed, field catalog, and layout.

• It generates a grid display with various features like sorting, filtering, and subtotaling.

• Example usage: CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY' EXPORTING it_fieldcat = lt...read more

If start of selection event is not written, the program will not execute any code.

• Start of selection event is the entry point of an ABAP program.

• If it is not written, the program will not execute any code.

• No data will be selected or processed.

• The program will terminate without any output.

Smartform windows are used to display data in different formats and layouts.

• There are three types of windows in Smartforms: Main window, Secondary window, and Global definition window.

• Main window is the primary window and is mandatory in every Smartform.

• Secondary windows are optional and can be used to display data in a different format or layout.

• Global definition windows are used to define global data that can be used...read more

Debugging smartform can be done using standard debugging techniques.

• Set a breakpoint in the smartform code

• Execute the smartform in debug mode

• Use the debugger to step through the code and analyze variables

• Use the debugging tools to analyze the form output

• Check the system log for any errors or warnings

Different types of debugging in SAP ABAP

• Classic Debugger - used for debugging synchronous programs

• New Debugger - used for debugging asynchronous programs

• Extended Program Check - used for checking syntax and semantics of programs

• Runtime Analysis - used for analyzing performance issues

• SQL Trace - used for analyzing database access issues

Implicit enhancements are modifications to standard SAP code without changing the original code. Explicit enhancements are modifications to standard SAP code by adding new code.

• Implicit enhancements are done using the Enhancement Framework and are implemented using Enhancement Spots and Enhancement Sections.

• Explicit enhancements are done using the Enhancement Framework and are implemented using Enhancement Points and E...read more

TMG stands for Table Maintenance Generator. It is used to create a user interface for maintaining table entries in SAP ABAP.

• TMG is used to generate a maintenance dialog for table entries.

• It simplifies the process of creating, modifying, and deleting table entries.

• TMG provides a standardized user interface with input fields, selection screens, and validation checks.

• It helps in ensuring data integrity and consistency.

• TMG...read more

There is no limit to the number of pages that can be added within an interactive report.

• Interactive reports can have multiple pages based on the user's input.

• The number of pages is determined by the data being displayed and the user's selection criteria.

• The report can be designed to display a certain number of records per page.

• The user can navigate between pages using the page navigation buttons.

• The number of pages can...read more

Pass by value and pass by reference are two different ways of passing arguments to a function or method.

• Pass by value means that a copy of the argument is passed to the function, so any changes made to the argument within the function do not affect the original value.

• Pass by reference means that a reference to the argument is passed to the function, so any changes made to the argument within the function will affect th...read more

Value table and check table are used in SAP to maintain data consistency and integrity.

• Value table is used to maintain domain values for a field in a table.

• Check table is used to maintain the validity of data entered in a field.

• T-code SE11 is used to create and maintain tables in SAP.

• Value table can be assigned to a domain in the data dictionary.

• Check table can be assigned to a foreign key field in a table.

Field catalog is a structure that defines the fields of a table or structure.

• Field catalog is used in ALV reports to define the columns to be displayed.

• It contains information such as field name, data type, length, and alignment.

• Field catalog can be created dynamically using the function module 'REUSE_ALV_FIELDCATALOG_MERGE'.