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Introduction to SAP ABAP Interview Questions and Answers

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If you are looking for a job related to SAP ABAP, you need to prepare for the 2023 SAP ABAP Interview Questions. Every interview is indeed different as per the different job profiles. Here, we have prepared the important SAP ABAP Interview Questions and Answers, which will help you succeed in your interview.

In this 2023 SAP ABAP Interview Questions article, we shall present the 10 most important and frequently used SAP ABAP interview questions. These questions are divided into two parts are as follows:

Part 1 – SAP ABAP Interview Questions (Basic)

This first part covers basic Interview Questions and Answers.

Q1. Explain SAP ABAP architecture?

The SAP ABAP system is based on 3 tier architecture, and these 3 tiers are the presentation layer, application layer, and database layer. The presentation layer mainly consists of an input device, which is used to control the SAP system and referred to as SAP GUI. The application layer consists of a server where all the central processing takes place. The servers are communicating the database layer for performance and security reasons.

Q2. What is the BDC technique in ABAP programming?

It is referred to as batch Data communications, and it is an automatic procedure to transfer a huge amount of external data into the SAP system. The central component of transfer is Queue File, which receives the batches’ data and groups it into associate sessions.

Q3. Explain the Lock Objects and mechanism?

It is used to synchronize access to the same data by more than one program, the ABAP Dictionary feature in SAP. It is used in SAP to avoid data inconsistency whenever the data is updated or modified, or inserted in the database. The data records are accessed with the help of programs, and these tables whose data is locked defined as Lock object. The lock mechanism mainly follows the two functions. First, a program can prevent itself from reading the data which another program has changed. Second, a program can communicate with other programs to read the data or data getting changed. The program has requested the lock, and then it goes to the enqueue server, and the lock is getting created on the lock table. The sever set the lock, and the program can read the data or access the data.

Q4. What is the difference between table and structure in the ABAP data dictionary? Q5. Explain the use of logical block in the SAP ABAP program and data dictionary?

In ABAP, the organization of programs into modular units using modularization called logical blocks. It helps increase the program readability and redundancy in creating it and during the maintenance cycle. It also helps in reusing the code again.

ABAP data dictionary is used to define the logical structure of objects in developing application and mapping to the relational database in tables and views.

Part 2 – SAP ABAP Interview Questions (Advanced) Q6. Explain the Foreign key relationship? Q7. Explain the Smart forms in the SAP ABAP program? Q8. Explain Web Dynpro and its benefits?

The benefits of using WD (Web Dynpro) is that usage of graphics tools reduces the implementation effort. It helps in reusing the same components again and easy to maintain. It helps in changing the layouts and navigation easily. It provides full integration with the ABAP environment and access to the user interface as well.

Q9. What are the different types of editors available for ABAP? Q10. Explain Subroutine in SAP ABAP?

In ABAP, a subroutine is known as the reusable section of code. It is a modularization unit within the program where the function is encapsulated in the form of source code. Some part of the page out to part of the program to the subroutine to get a better view of the program, and the subsequent program can be used many times.

Q11. Mention the different modules used in BDC?

BDC_Open_group, BDC_Insert, BDC_Close_group are the 3 different modules that are mainly used in transferring the data in sequence successfully using BDC.