[Nov-2025] SAP C_ABAPD_2507 Exam Basic Questions With Answers [Q27-Q46]

Comprehensive and Detailed Explanation from Exact Extract:
* from_mixed converts a mixed-case string into uppercase with a chosen separator between words.
* Given input ‘LorelpsumFactum’, the function splits at uppercase letters, uppercases the parts, and joins them with _.
* Output: LORE_IPSUM_FACTUM.
* condense only removes extra spaces, to_upper only changes case, and to_mixed does the reverse of from_mixed.
Study Guide Reference: ABAP Keyword Documentation – String Functions (from_mixed, to_mixed).

Comprehensive and Detailed Explanation from Exact Extract:
* Sorted tables can be declared with unique keys (ensuring no duplicates) or with non-unique keys (allowing duplicates).
* Hashed tables only allow unique keys.
* Standard tables allow non-unique keys only.
Thus, sorted internal tables are the only type that can be configured with both unique and non-unique keys.
Verified Study Guide Reference: ABAP Dictionary and ABAP Cloud Programming Guide – Internal Table Types.

Comprehensive and Detailed Explanation from Exact Extract:
Tier 1 extensibility in ABAP Cloud corresponds to the safe and upgrade-stable extension layer.
* Adding custom fields to released DB tables or CDS views via released extension includes is fully supported.
* Using classic user exits (A), manual note corrections (C), or wrappers for unreleased APIs (D) belong to Tier 2 or Tier 3, and are not part of Tier 1 safe extensibility.
This guarantees that custom code in Tier 1 is cloud-ready, upgrade-stable, and based only on released extension points and APIs.
Verified Study Guide Reference: ABAP Cloud Extensibility Model – Three-Tier Extensibility Rules.

On-stack developer extensibility is a type of extensibility that allows you to create development projects directly on the SAP S/4HANA Cloud technology stack. It gives you the opportunity to develop cloud-ready and upgrade-stable custom ABAP applications and services inside the SAP S/4HANA Cloud, public edition system. You can use the ABAP Development Tools in Eclipse to create and deploy your on-stack extensions. On-stack developer extensibility is suitable for the following kinds of applications:
Applications that provide APIs for side by side SAP BTP apps. On-stack developer extensibility allows you to create OData services or RESTful APIs based on CDS view entities or projection views. These services or APIs can expose SAP S/4HANA data and logic to other applications that run on the SAP Business Technology Platform (SAP BTP) or other platforms. This way, you can create a loosely coupled integration between your SAP S/4HANA system and your side by side SAP BTP apps.
Applications that access SAP S/4HANA data using complex SQL. On-stack developer extensibility allows you to use ABAP SQL to access SAP S/4HANA data using complex queries, such as joins, aggregations, filters, parameters, and code pushdown techniques. You can also use ABAP SQL to perform data manipulation operations, such as insert, update, delete, and upsert. This way, you can create applications that require advanced data processing and analysis on SAP S/4HANA data.
The other kinds of applications are not suitable for on-stack developer extensibility, as they have different requirements and challenges. These kinds of applications are:
Applications that integrate data from several different systems. On-stack developer extensibility is not meant for creating applications that integrate data from multiple sources, such as other SAP systems, third-party systems, or cloud services. This is because on-stack developer extensibility does not support remote access or data replication, and it may cause performance or security issues. For this kind of applications, you should use side by side extensibility, which allows you to create applications that run on the SAP BTP and communicate with the SAP S/4HANA system via public APIs or events.
Applications that run separate from SAP S/4HANA. On-stack developer extensibility is not meant for creating applications that run independently from the SAP S/4HANA system, such as standalone apps, microservices, or web apps. This is because on-stack developer extensibility requires a tight coupling with the SAP S/4HANA system, and it may limit the scalability, flexibility, and portability of the applications. For this kind of applications, you should use side by side extensibility, which allows you to create applications that run on the SAP BTP and leverage the cloud-native features and services of the platform.

Incomplete ABAP types are types that do not specify all the attributes of a data type, such as the length, the number of decimal places, or the value range. Incomplete types can only be used for the typing of field symbols and formal parameters, not for the definition of data objects or constants. Incomplete types can be either predefined or user-defined1.
The following are incomplete ABAP types:
C . C is a type for character strings with a generic length. The length of the character string has to be specified when a data object or a constant is defined with this type. For example, DATA text TYPE c LENGTH 10 defines a data object named text with a type c and a length of 10 characters2.
D . P is a type for packed numbers with a generic length and a generic number of decimal places. The length and the number of decimal places of the packed number have to be specified when a data object or a constant is defined with this type. For example, DATA amount TYPE p LENGTH 8 DECIMALS 2 defines a data object named amount with a type p, a length of 8 bytes, and 2 decimal places3.
The following are not incomplete ABAP types, because they specify all the attributes of a data type:
A . String is a type for variable-length character strings. The length of the character string is determined at runtime and can vary from 0 to 2,147,483,647 characters. The length does not have to be specified when a data object or a constant is defined with this type. For example, DATA text TYPE string defines a data object named text with a type string and a variable length4.
B . T is a type for time values in the format HHMMSS. The length of the time value is fixed at 6 characters and does not have to be specified when a data object or a constant is defined with this type. For example, DATA time TYPE t defines a data object named time with a type t and a length of 6 characters.

Comprehensive and Detailed Explanation from Exact Extract:
In ABAP Object-Oriented Programming within ABAP Cloud, methods can define multiple parameters of type IMPORTING, EXPORTING, or CHANGING. However, for RETURNING parameters, only one value is permitted per method.
This restriction ensures that RAP BOs and ABAP Cloud classes expose methods with clear, unambiguous outputs, aligning with best practices of encapsulation and functional programming design.
* IMPORTING # multiple allowed
* EXPORTING # multiple allowed
* CHANGING # multiple allowed
* RETURNING # exactly one allowed
Verified Study Guide Reference: ABAP Objects Programming Guide (Methods), ABAP Cloud Back-End Developer Documentation – Method Signature Rules.

Comprehensive and Detailed Explanation From Exact Extract:
In ABAP SQL, the handling of arithmetic operations – especially division – is handled with care for data types and precision. Here’s how each applies:
* B. Numeric function division(numerator, denominator, decimal places) accepts decimal inputThis is correct. The division function is designed for decimal-based calculations, where precision control is needed via the third parameter (number of decimal places). It supports packed numbers (DEC).
* C. Numeric function div(numerator, denominator) expects only integer inputThis is correct. The div function is an integer division operator, returning an integer result and only accepts integers as input types.
* E. Numeric function division(numerator, denominator, decimal places) accepts floating point inputThis is correct. In addition to decimals, division() can also work with floating point types (FLTP), enabling flexible division where decimals are not sufficient.
* A. The division operator “/” accepts decimal inputThis is incorrect in the context of ABAP SQL.
The / operator is not available as a built-in operator in Open SQL; arithmetic operations like this are not supported with native operators – only via functions.
* D. The division operator “/” accepts floating point inputAgain, this is incorrect, as / is not valid syntax in ABAP SQL queries. Only built-in functions like div or division are supported in the CDS/Open SQL layer.
Reference:ABAP CDS Development Guide, section 2.2 – Built-in functions in ABAP SQL and CDS expressions for numerical calculations, specifically division() and div().

The correct ON condition that must be inserted in place of “???” is:
ON Sprojection.carrier_id=Z_Source2.carrier_id
This ON condition specifies the join condition between the CDS view Sprojection and the database table Z_Source2. The join condition is based on the field carrier_id, which is the primary key of both the CDS view and the database table. The ON condition ensures that only the records that have the same value for the carrier_id field are joined together1.
The other options are not valid ON conditions, because:
A . ON Z_Sourcel.camer_id = 7_Source2 carrier_id is not valid because Z_Sourcel and 7_Source2 are not valid data sources in the given code. There is no CDS view or database table named Z_Sourcel or 7_Source2. The correct names are Z_Source1 and Z_Source2. Moreover, the field camer_id is not a valid field in the given code. There is no field named camer_id in any of the data sources. The correct name is carrier_id.
B . ON Sprojection Camer=Source2 carrier_id is not valid because Sprojection and Source2 are not valid data sources in the given code. There is no CDS view or database table named Sprojection or Source2. The correct names are Sprojection and Z_Source2. Moreover, the field Camer is not a valid field in the given code. There is no field named Camer in any of the data sources. The correct name is carrier_id. Furthermore, the ON condition is missing the dot (.) operator between the data source name and the field name, which is required to access the fields of the data source1.
C . ON Sprojection. Carrier Source2.carrier is not valid because Carrier and carrier are not valid fields in the given code. There is no field named Carrier or carrier in any of the data sources. The correct name is carrier_id. Moreover, the ON condition is missing the dot (.) operator between the data source name and the field name, which is required to access the fields of the data source1.

Comprehensive and Detailed Explanation From Exact Extract:
* Decoupled/independent management (A): RAP and ABAP Cloud allow extension providers to develop and expose their own services based on released interfaces-reflecting independent lifecycle and management, typical of side-by-side.
* Own data model with occasional consumption (B): The platform supports consuming remote services and exposing APIs-patterns consistent with side-by-side extensions that keep their own data model and integrate when needed.
* Event-based/reactive (C): RAP natively supports an event-driven architecture with asynchronous, decoupled communication-ideal for side-by-side process extensions reacting to business events.
* Not same LUW (D is wrong): Remote communication is asynchronous and keeps LUWs separate- indicative of side-by-side, not in-app (same-stack) processing.

Comprehensive and Detailed Explanation from Exact Extract:
* A. Automatic execution # # A constructor (CONSTRUCTOR) is automatically invoked when an instance of a class is created.
* B. Importing parameters # # Constructors can have importing parameters to initialize the object with values.
* C. First method called by client # # Not correct, because constructors are called by the system, not the client explicitly.
* D. Returning parameters # # Constructors cannot return values; they only set up the object.
This behavior is consistent across ABAP Cloud OOP classes, ensuring encapsulated initialization logic.
Verified Study Guide Reference: ABAP Objects Guide – Class Constructors and Instance Constructors.

The sub constructor is the instance constructor of the subclass sub that inherits from the superclass super. The sub constructor has some rules that it must follow when it is defined and implemented12. Some of the valid rules are:
The method signature can be changed: This is true. The sub constructor can have a different method signature than the super constructor, which means that it can have different input parameters, output parameters, or exceptions. However, the sub constructor must still call the super constructor with appropriate actual parameters that match its interface12.
The constructor of super must be called before using any components of your own instance: This is true. The sub constructor must ensure that the super constructor is called explicitly using super->constructor before accessing any instance components of its own class, such as attributes or methods. This is because the super constructor initializes the inherited components of the subclass and sets the self-reference me-> to the current instance12.
You cannot do any of the following:
Import parameters can only be evaluated after calling the constructor of super: This is false. The sub constructor can evaluate its own import parameters before calling the constructor of super, as long as it does not access any instance components of its own class. For example, the sub constructor can use its import parameters to calculate some values or check some conditions that are needed for calling the super constructor12.
Events of your own instance cannot be raised before the registration of a handler in super: This is false. The sub constructor can raise events of its own instance before calling the constructor of super, as long as it does not access any instance components of its own class. For example, the sub constructor can raise an event to notify the consumers of the subclass about some status or error that occurred during the initialization of the subclass12.

A generic internal table type is a table type that does not define all the attributes of an internal table in the ABAP Dictionary; it leaves some of these attributes undefined. A table type is generic in the following cases1:
You have selected Index Table or Not Specified as the access type.
You have not specified a table key or specified an incomplete table key.
You have specified a generic secondary table key.
A generic table type can be used only for typing formal parameters or field symbols. A generic table type cannot be used for defining data objects or constants2.
Therefore, the correct answer is B. INDEX TABLE, which is a generic table type that does not specify the access type or the table key. The other options are not generic table types, because:
A . SORTED TABLE is a table type that specifies the access type as sorted and the table key as a unique or non-unique primary key3.
C . STANDARD TABLE is a table type that specifies the access type as standard and the table key as a non-unique standard key that consists of all the fields of the table row in the order in which they are defined4.
D . HASHED TABLE is a table type that specifies the access type as hashed and the table key as a unique primary key5.

Comprehensive and Detailed Explanation From Exact Extract:
* In ABAP, structure component access uses the hyphen (-): structure-component. The other tokens are used for different purposes: -> for object reference attributes, => for static components, and / is not a field selector in ABAP.
* ABAP Cloud stresses typed APIs and static checks, ensuring misuse of component selectors is caught early; correct structure access with – is part of the enforced style.

Comprehensive and Detailed Explanation from Exact Extract:
Execution order when creating an instance of a subclass:
* Class constructor of the superclass (super1) executes first.
* Class constructor of the subclass (sub1) executes second.
* Then the instance constructor of the superclass (super1) executes.
* Finally, the instance constructor of the subclass (sub1) executes.
This sequence guarantees that both the static (class-level) and instance-level initializations of the superclass are complete before the subclass is constructed.
Verified Study Guide Reference: ABAP Objects Programming Guide – Class and Instance Constructor Execution Order.

The following are the integration frameworks that have been released for ABAP cloud development:
SOAP consumption: This framework allows you to consume SOAP web services from ABAP cloud applications. You can use the ABAP Development Tools in Eclipse to create a service consumption model based on a WSDL file or URL. The service consumption model generates the required ABAP artifacts, such as proxy classes, data types, and constants, to access the web service. You can then use the proxy classes to call the web service operations from your ABAP code1 Business Events: This framework allows you to publish and subscribe to business events from ABAP cloud applications. Business events are messages that represent a change in the state of a business object or process. You can use the ABAP Development Tools in Eclipse to create a business event definition based on a CDS view entity or a projection view. The business event definition specifies the event key, the event payload, and the event metadata. You can then use the ABAP Messaging Channel (AMC) framework to publish and subscribe to business events using the AMC API2 OData services: This framework allows you to expose and consume OData services from ABAP cloud applications. OData is a standardized protocol for creating and consuming RESTful APIs. You can use the ABAP RESTful Application Programming Model (RAP) to create OData services based on CDS view entities or projection views. The RAP framework generates the required OData metadata and runtime artifacts, such as service definitions, service bindings, and service implementations. You can then use the SAP Gateway framework to register and activate your OData services. You can also use the ABAP Development Tools in Eclipse to consume OData services from other sources using the service consumption model3 The other integration frameworks are not released for ABAP cloud development, as they are either not supported or not recommended for cloud scenarios. These frameworks are:
CDS Views: CDS views are not an integration framework, but a data modeling framework. CDS views are used to define data models based on database tables or other CDS view entities. CDS views can have associations, aggregations, filters, parameters, and annotations. CDS views can also be used as the basis for other integration frameworks, such as OData services or business events4 Business Add-ins (BAdls): BAdls are not supported for ABAP cloud development, as they are part of the classic ABAP enhancement framework. BAdls are used to implement custom logic in predefined enhancement spots in the standard SAP code. BAdls are not compatible with the cloud strategy and the clean core paradigm, as they modify the SAP code and can cause upgrade and maintenance issues. For ABAP cloud development, SAP recommends using the key user extensibility tools or the side-by-side extensibility approach instead of BAdls.

The code snippet in the image is an example of using the RAISE EXCEPTION statement to raise a class-based exception and create a corresponding exception object. The code snippet also uses the EXPORTING addition to pass parameters to the instance constructor of the exception class12. Some of the valid statements about the code snippet are:
The code creates an exception object and raises an exception: This is true. The RAISE EXCEPTION statement raises the exception linked to the exception class zcxl and generates a corresponding exception object. The exception object contains the information about the exception, such as the message, the source position, and the previous exception12.
“previous” expects the reference to a previous exception: This is true. The previous parameter is a predefined parameter of the instance constructor of the exception class cx_root, which is the root class of all class-based exceptions. The previous parameter expects the reference to a previous exception object that was caught during exception handling. The previous parameter can be used to chain multiple exceptions and preserve the original cause of the exception12.
You cannot do any of the following:
“zcxl” is a dictionary structure, and “paraml” and “param2” are this structure: This is false. zcxl is not a dictionary structure, but a user-defined exception class that inherits from the predefined exception class cx_static_check. param1 and param2 are not components of this structure, but input parameters of the instance constructor of the exception class zcxl. The input parameters can be used to pass additional information to the exception object, such as the values that caused the exception12.
“paraml” and “param2” are predefined names: This is false. param1 and param2 are not predefined names, but user-defined names that can be chosen arbitrarily. However, they must match the names of the input parameters of the instance constructor of the exception class zcxl. The names of the input parameters can be declared in the interface of the exception class using the RAISING addition12.