SAP ABAP Interview Tips to remember

SAP ABAP Interview Tips to remember

1)      What is an ABAP?

A)    ABAP (Advanced Business Application Programming) is a high level programming   language created by the German software company SAP. It is currently positioned as the language for programming SAP’s Web Application Server, part of its Net Weaver platform for building business applications. Its syntax is somewhat similar to COBOL.

2)      What is an ABAP data dictionary?

A)    ABAP 4 data dictionary describes the logical structures of the objects used in application development and shows how they are mapped to the underlying relational database in tables/views

3)      What are domains and data element?

A)    Domains:Domain is the central object for describing the technicalcharacteristics of an attribute of an business objects. It describes the valuerange of the field. Data Element: It is used to describe the semantic definition of the table fields like description the field. Data element describes how a field canbe displayed to end-user.

4)      Describe data classes ?

A)    Master data: It is the data which is seldom changed. Transaction data: It is the data which is often changed. Organization data: It is a customizing data which is entered in the system when the system is configured and is then rarely changed. System data: It is the data which R/3 system needs for itself.

5)      What are internal tables?

A)    Internal tables are a standard data type object which exists only during the runtime of the program. They are used to perform table calculations on subsets of database tables and for re-organizing the contents of database tables according to users need.

6)      What is DynPro?

A)    DynPro is a Dynamic Programming which is a combination of screen and the associated flow logic Screen is also called as DynPro.

7)      What are indexes?

A)    Indexes are described as a copy of a database table reduced to specific fields. This data exists in sorted form. This sorting form ease fast access to the field of the tables. In order that other fields are also read, a pointer to the associated record of the actual table are included in the index. The indexes are activated along with the table and are created automatically with it in the database.

8)      What is BDC programming?

A)    Transferring of large/external/legacy data into SAP system using Batch Input programming. Batch input is a automatic procedure referred to as BDC(Batch Data Communications). The central component of the transfer is a queue file which receives the data vie a batch input programs and groups associated data into “sessions”.

9)      What are the functional modules used in sequence in BDC?

A)    These are the 3 functional modules which are used in a sequence to perform a data transfer successfully using BDC programming: BDC_OPEN_GROUP -Parameters like Name of the client, sessions and user name are specified in this functional modules. BDC_INSERT – It is used to insert the data for one transaction into a session. BDC_CLOSE_GROUP – This is used to close the batch input session.

10)  What are internal tables?

A)    Internal tables are a standard data type object which exists only during the runtime of the program. They are used to perform table calculations on subsets of database tables and for re-organizing the contents of database tables according to users need.

11)  What are the events in ABAP/4 language?

A)    Initialization, At selection-screen, Start-of-selection, end-of-selection, top-of-page, end-of-page, At line-selection, At user-command, At PF, Get, At New, At LAST, AT END, AT FIRST.

12)  How to upload data using CATT ?

A)    These are the steps to be followed to Upload data through CATT: Creation of the CATT test case & recording the sample data input. Download of the source file template. Modification of the source file. Upload of the data from the source file.

13)  What is Smart Forms?

A)    Smart Forms allows you to create forms using a graphical design tool with robust functionality, color, and more. Additionally, all new forms developed at SAP will be created with the new Smart Form solution.

14)  What is the difference between Table and Template?

A)    table is a dynamic and template is a static

15)  When do we use End-of-selection?

End-of-selection event are mostly used when we are writing HR-ABAP code. In the HR-ABAP code, data is retrieved in the Start-of-selection event and Printing on the list and all will be done in End-of-selection event.