Internal table interview questions answers

Internal table interview questions answers [SAP ABAP Interview]

This article contains the internal table interview questions answers for Candidates to practice. It is compiled from varieties of consultations with field experts and industries. This guide will help candidates to ace their interview questions with ease. 

Check the common internal table interview questions answers

Internal table interview questions answers

1. What is the internal table?

How To Answer.

An internal table is a temporary table that exists in the memory of an application server during program execution. It usually gets destroyed after the program ends. I.e. only exists when the program runs. It is used to hold data temporarily or sometimes to manipulate data. It holds one or multiple rows having the same structure.

  1. Explain the data classification in the Internal Table

How To Answer.

Data are classified into the following;

  • Transaction Data– They are data that can be changed often.
  • Master Data–  Master Data is data that seldom changes.
  • System Data– System data is used by the R/3 system itself.
  • Organization Data– this type of data is customized and is entered into a configured system. Organization data rarely changed.
  1. Discuss the difference between a report and a dialog program

How To Answer.

A report is a program that can be executed, while a dialog is a module pool program, only executed through a transaction. Dialog programming is used in screen customization.

  1. What is Refresh In Internal Table

How To Answer.

Refresh is a keyword used in an internal table to clear all the content of an internal table body.

5. What standard structure of the value of an occurs when internal tables are created?

How To Answer.

When the internal tables are created, to do the configuration of the value of an occurs, we need to pay attention to the following.

  • The default size that is declared will be maintained in the roll area.- the program is accessed faster.
  • The entire data area of the app will be 64kb
  • Any inserted data more extensive than the default size will be deposited in the roll file.- slow program access.

Also, before deciding to optimize, we need to analyze the volume and access rate.

Second part of internal table interview questions answers

  1. How do we advance for a row in a table when we need to run a report?

How To Answer SAP ABAP interview questions like this one?

We will use Graphics Multiplexer. The process similar to a screen capture that allows us to capture the data only will be available.  With this process, data graphs can be designed in 2D or 3D, the feature available on Menu-generate Graphics. This will enable the required data to be dragged so we can choose the data helpful in making a graph. We hit graphics after the selection, and the Multiplexer will be opened

  1. What types of Internal tables do we have?

How To Answer SAP ABAP interview questions like this one?

The following are the types of internal table that exists

  • The standard Table- we use linear search to have a passage to the standard table so the time required for the search will have a linear connection with how many table entries we have. The best approach to access the standard tables is using index operations.
  •  The hashed table:  The hashed table is usually managed by using an internal hash process, and it will be available to access with generic operations such as Sort, loop and others. The implicit/explicit index operations are prohibited.
  • The sorted table: this is the type of table arranged in the right way, and we use binary keys to access it. If there’s no unique key, the index from the lower level will be chosen by the system.
  •  The index table: for this type of table, we can access it with the help of an index. The primary purpose is to determine what type of generic parameters are available in a form or function
  1. Describe the “Check” statements and their mechanism?

How To Answer SAP ABAP interview questions like this one?

The “Check” statement is used for ending a loop pass conditionally. When the condition is true, the rest of the statement from the actual statement block will be neglected, and the next loop begins.

  1. Describe the MODIFY LINE and READ LINE commands

How To Answer SAP ABAP interview questions like this one?

The MODIFY LINE statement is used for changing the line of a complete list from inside the program, while the READ LINE statement is meant for reading data seen on the lines from the current levels.

 READ LINE has the same function as READ CURRENT LINE, and both are related to HIDE.

Last part of internal table interview questions answers

  1. What is the importance of restart adjustment and cancel adjustment?

How To Answer SAP ABAP interview questions like this one?

Restart adjustment continues the conversion when it is at the finish point, while cancel adjustment will erase the lock entry from the table 

  1. What are the types of buffering types?

How To Answer SAP ABAP interview questions like this one?

Buffering ranges from single, full and generic records. In the single record buffering, the currently accessed records will be loaded into buffers, while in the full record, the whole table or nothing will be seen in the buffer. For generic buffering, the generic location buffers are buffered completely.

12. What are the generic key and generic areas?

How To Answer SAP ABAP interview questions like this one?

The left part of the first table key is the generic key. The generic area is the area that depicts every record that correlates to generic key fields. 

How to pass Internal Table Interview Questions

  • Get to the interview venue early
  • Make a draft of essential points you want to convey.
  • Include skill set, experience, and knowledge that are related to the position you’re applying for.
  • Dress professionally for the interview. 
  • Be bold and confident. Always put on a grin.

We tried to address all the possible topics and questions that could be asked. We hope the above Internal Table interview questions and answers will help you ace your interview.

It’s imperative to note that we do not guarantee specific questions that will be asked in the interview questions. We only provide possible questions based on our discretion and survey. We are not in any way affiliated with the company. We wish you well in your interview process.