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What Abap Makes A Fundamental Language
ABAP (Advanced Business Application Programming) is known as one of the primary programming languages which is supported on the SAP NetWeaver ABAP application server platform and applications which function on it, like ERP(formerly R/3), SAP S/4HANA and CRM.
For getting a role of a SAP ABAP developer, listed below are some of the frequently asked questions in a SAP ABAP Interview Questions :
1.What do the terms work area and internal tables refer to in ABAP? Why do we use these ?
Work area and internal tables represent the temporary memory areas which are used for storing the data at run-time. These areas denote the instances of database tables.
2.Explain the special features of SAP ABAP and the larger ABAP infrastructure because of which it is known as a fundamental language.
ABAP is not stand-alone software; this is highly integrated with the other features of the SAP NetWeaver ABAP application server. They are listed as follows:
a) Logical database connections, which permit the code to be abstracted from a specific database. The actual database connections are all set up outside of ABAP code, thus permitting the same code to be applied in various database environments.
b) Open SQL, is known as an abstraction of SQL syntax which is an important part of the ABAP language and the ABAP runtime environment alters to native SQL, suitable for the database being utilized. Open SQL has quite a few number of similarities to Microsoft .NET’s Language Integrated Query (LINQ) concept.
c) Internal Tables, which comprise of a collections of objects which are derived by utilizing special language keywords or Open SQL. This ABAP concept encounters with the concept of typed arrays, such in C++ and Java.
d) ABAP is considered to be very secure as it is merged with SAP NetWeaver’s security infrastructure.
e) Data Dictionary, is a universal lexicon of data structure definitions, and generally encompasses business logic, which in a system can be accessed to all the ABAP programs.
f) Change and Transport System (CTS), enable tracking of the modifications to development objects apart from managing the progression of development objects to quality assurance as well as the production environments.
g) Shared development system, is known as an important aspect of ABAP. ABAP varies from the recent languages in that, as generally the development takes place on a shared system, and mostly all the programmers work on the same set of development objects, all at the same time.
3) List the different ABAP editors? Why do we utilize the various editors in ABAP?
In SE38 − This allows the users to make programs and view the online reports. This editor enables the users to perform all the development of objects.
In SE80 – provides supports to the additional features like classes, module pool, creating packages, function group and programs.
4) List the difference between pool table and cluster.
The data of several cluster tables is all saved together in a single table cluster in the database. A cluster table can therefore be perceived only in the ABAP Dictionary and not in the database.
The data of several pooled tables are stored together as a table pool in the database.
5) Explain the data classes in ABAP?
Master data: This data can be gradually altered.
Transaction data: This data can be changed frequently.
Organization data: This is a customizing data which is entered into the system once the system has been configured and later can be changed very rarely.
System data: This is the data which is R/3 system requires for itself.
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