SAP ABAP interview questions for 2 years of experience
April 15th, 2023 | Uncategorized
SAP ABAP interview questions for 2 years of experience
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SAP ABAP interview questions for 2 years of experience
- What is the difference between a table and a structure in ABAP?
A table is a database object that stores data in a structured format. A structure is a data type that defines a set of fields with their data types and lengths.
- What is the difference between a function module and a method in ABAP?
A function module is a subroutine that can be called from any ABAP program or external application. A method is a subroutine that is associated with a particular object or class.
- What is a Smart Form in ABAP?
A Smart Form is a tool in SAP that allows developers to create and customize forms and reports.
- What is a BAPI in SAP?
A BAPI (Business Application Programming Interface) is a set of interfaces that allow external applications to access SAP business objects and processes.
- What is an ALV report in ABAP?
An ALV (ABAP List Viewer) report is a tool in SAP that allows developers to create interactive reports with features such as sorting, filtering, and grouping.
- What is a screen painter in ABAP?
A screen painter is a tool in SAP that allows developers to design and customize the user interface of an ABAP program.
- What is a Web Dynpro in SAP?
A Web Dynpro is a framework in SAP that allows developers to create web-based user interfaces for SAP applications.
- What is an IDoc in SAP?
An IDoc (Intermediate Document) is a standardized message format used for exchanging data between SAP systems or between SAP and external systems.
- What is a function group in SAP?
A function group is a collection of function modules that perform related tasks.
- What is the difference between a classical report and an interactive report in ABAP?
A classical report is a static report that displays data in a pre-defined format. An interactive report is a dynamic report that allows users to interact with the data, such as sorting and filtering.
- What are the different types of data declarations in ABAP?
There are three types of data declarations in ABAP: field symbols, data references, and data objects.
- What is the difference between an ABAP function module and a BAPI?
An ABAP function module is a reusable subroutine within an SAP system that can be called from within other ABAP programs. A BAPI (Business Application Programming Interface) is a type of function module that exposes SAP business objects as services to external systems.
- What is an ALV report?
An ALV (ABAP List Viewer) report is a type of report in SAP that allows users to view data in a tabular format with options for sorting, filtering, and formatting.
- What is an enhancement spot?
An enhancement spot is a predefined location within an SAP program where custom code can be added without modifying the original program.
- What is an ABAP proxy?
An ABAP proxy is a communication mechanism that allows SAP systems to communicate with external systems using web services.
- What is a customer exit?
A customer exit is a mechanism in SAP that allows developers to enhance standard SAP programs with custom code.
- What is a BADi filter?
A BADi (Business Add-In) filter is a mechanism that allows developers to control the activation of a BADI implementation based on specific conditions.
- What is a module pool?
A module pool is a type of SAP program that provides a user interface for interacting with SAP data. It typically includes screens, flow logic, and ABAP code.
- What is a class?
A class is a blueprint for creating objects in ABAP. It defines the properties and behaviors of an object, and can be used to create multiple instances of the same object.
- What is a function group?
A function group is a collection of related function modules in SAP. It is used to organize and manage related functionality in ABAP programs.
- What is the difference between an interface and an abstract class in ABAP?
An interface is a collection of abstract methods that define a contract for implementing classes. An abstract class is a class that contains at least one abstract method and cannot be instantiated directly. In ABAP, a class can implement multiple interfaces, but can inherit from only one abstract class.
- What is an ALV report?
An ALV (ABAP List Viewer) report is a type of report in SAP that provides a user-friendly interface for displaying data in a tabular format. It allows users to sort, filter, and manipulate data easily.
- What is an enhancement spot?
An enhancement spot is a predefined location in a standard SAP program where custom code can be added without modifying the original program. It allows developers to enhance the functionality of standard SAP programs without risking the loss of their modifications during upgrades.
- What is a field symbol in ABAP?
A field symbol is a placeholder for a data object in ABAP. It allows developers to refer to a data object dynamically without knowing its name at compile time. This is useful in cases where the data object is determined at runtime.
- What is the difference between a BADI and an enhancement point?
A BADI (Business Add-In) is a predefined hook in a standard SAP program where custom code can be added to enhance the functionality of the program. An enhancement point is a predefined location in a standard SAP program where custom code can be added to enhance the functionality of the program. The main difference between the two is that a BADI is an object-oriented approach, while an enhancement point is a procedural approach.
- What is a proxy class in ABAP?
A proxy class is a class generated automatically by the SAP system to access an external web service. It provides a simple interface for ABAP programs to interact with the web service.
- What is a function group in ABAP?
A function group is a collection of function modules that are logically related. It allows developers to organize their function modules into groups for easier management.
- What is an implicit enhancement in ABAP?
An implicit enhancement is a predefined location in a standard SAP program where custom code can be added without modifying the original program. It is similar to an enhancement spot, but does not require any explicit activation.
- What is an SAP transport request?
An SAP transport request is a package of changes made to the SAP system that can be moved from one system to another. It allows developers to move their code changes from a development system to a testing system or a production system.
- What is the difference between a class method and an instance method in ABAP?
A class method is a method that is associated with a class and can be called without creating an instance of the class. An instance method is a method that is associated with an instance of a class and can only be called on that instance.
- What is the difference between BDC and LSMW?
BDC (Batch Data Communication) is a method for transferring data from external systems to SAP using batch input sessions. LSMW (Legacy System Migration Workbench) is a tool used to migrate data from legacy systems to SAP using predefined templates.
- What is ALV and how is it used?
ALV (ABAP List Viewer) is a tool used to display data in a tabular format with advanced features such as sorting, filtering, and subtotaling. It is used to enhance the output of ABAP reports.
- What is the use of a function module exit?
A function module exit is a type of BADI that allows developers to enhance the functionality of standard SAP function modules without modifying the original code.
- What is a debugger and how is it used in ABAP?
A debugger is a tool used to debug ABAP programs by allowing developers to stop the program execution at specific breakpoints and analyze the program variables.
- What is the use of an enhancement spot?
An enhancement spot is a mechanism used to enhance the functionality of standard SAP programs without modifying the original code. It provides a standardized way for developers to add custom code to standard SAP programs.
- What is the use of a select statement in ABAP?
A select statement is used to retrieve data from database tables in ABAP programs. It allows developers to specify the selection criteria and retrieve the data in a structured format.
- What is the use of an interface in ABAP?
An interface is a definition of a set of methods that a class must implement. It is used to provide a standardized way for different classes to communicate with each other.
- What is the difference between a global and local class?
A global class is a class that can be used in any ABAP program within the SAP system. A local class is a class that can only be used within the same ABAP program.
- What is the use of a web service in ABAP?
A web service is a mechanism used to communicate with external systems using XML messages. In ABAP, web services can be created and consumed using standard SAP tools.
- What is the use of an authorization object in SAP?
An authorization object is used to control access to specific SAP transactions, programs, or data. It defines the authorization fields and values that are required for a user to perform a particular action.
- What are the different types of data declarations in ABAP?
There are three types of data declarations in ABAP: field symbols, data references, and data objects.
- What is a field symbol in ABAP?
A field symbol is a pointer to a data object or a value in memory. It allows dynamic access to data objects without copying their contents.
- What is a BAPI in SAP?
BAPI (Business Application Programming Interface) is a set of standard interfaces provided by SAP for accessing and manipulating business data in SAP systems. BAPIs are designed to be used by external applications and can be called from non-SAP systems.
- What is the difference between a SELECT statement and a READ statement in ABAP?
A SELECT statement is used to retrieve data from a database table based on a set of conditions. A READ statement is used to retrieve a single record from a database table based on a primary key.
- What is the difference between a classical report and an ALV report in ABAP?
A classical report is a basic ABAP report that generates a list or a formatted output. An ALV (ABAP List Viewer) report is an advanced report that allows users to interact with the data and perform various actions, such as sorting, filtering, and exporting.
- What is the difference between an implicit enhancement and an explicit enhancement in SAP?
An implicit enhancement is a modification that is added to a standard SAP program without changing the original code. An explicit enhancement is a modification that is added to a standard SAP program by modifying the original code.
- What is the purpose of a function module interface?
The function module interface defines the parameters and data types that are used to call a function module. It specifies the input and output parameters, as well as any exceptions that can occur.
- What is the difference between a macro and a subroutine in ABAP?
A macro is a reusable piece of code that is defined using the #DEFINE statement. A subroutine is a reusable piece of code that is defined using the FORM statement.
- What is the purpose of a transport request in SAP?
A transport request is used to move changes made in a development system to a test or production system. It ensures that changes are made consistently across systems and are properly documented.
- What is an IDoc in SAP?
IDoc (Intermediate Document) is a standard data format used to exchange data between different SAP systems or between SAP systems and external systems. IDocs can be used to transfer business data, master data, or transactional data.
- What is the difference between a function module and a subroutine?
A function module is a self-contained unit of code that can be called from other programs or applications, while a subroutine is a part of a larger program and can only be called from within that program.
- What is an ALV report?
An ALV (ABAP List Viewer) report is a special type of ABAP report that provides an easy-to-read format for displaying data in a tabular format. It includes features such as sorting, filtering, and aggregation.
- What is the difference between an internal table and a database table?
An internal table is a data structure used to store and manipulate data within an ABAP program, while a database table is a table that is stored in a database and can be accessed by multiple programs.
- What is an enhancement point?
An enhancement point is a predefined location within a standard SAP program where custom code can be inserted without modifying the original program.
- What is a function group?
A function group is a collection of function modules that are related to each other and can be included in the same transport request.
- What is a Web Dynpro component?
A Web Dynpro component is a user interface component used to develop web-based applications in SAP. It includes a set of screens, controllers, and models that define the application’s behavior.
- What is a BAPI?
A BAPI (Business Application Programming Interface) is a set of predefined interfaces used to access SAP functionality from external applications.
- What is a Smart Form?
A Smart Form is a type of form used to create printable documents in SAP. It includes features such as tables, graphics, and interactive fields.
- What is a class?
A class is a blueprint for creating objects in ABAP. It includes methods and attributes that define the behavior and properties of the objects.
- What is the difference between a transport request and a task?
A transport request is a collection of changes that can be moved from one system to another, while a task is a collection of changes that are grouped together for organizational purposes within a system.
These are some of the common SAP ABAP interview questions for candidates with 2 years of experience. Be sure to review these topics and prepare well for the interview.
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