A Data Element is used to define the semantic meaning of a table field. Components include: Field Label(s): Short, Medium, Long, Heading. Documentation: For developer/user understanding. Domain: Defines the technical attributes like data type, length, value range, etc.
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An IDoc (Intermediate Document) is SAP’s standard format for electronic data interchange (EDI) between SAP systems or between SAP and external systems. It acts as a structured container for data, ensuring that the information exchanged follows a predefined format, making ...
Program Type Code Purpose Executable? Typical Usage Executable 1 Reports, standalone programs ✅ Yes Reports, jobs, selection screens Include I Reusable code ❌ No Shared FORM routines, definitions Module Pool M Dialog screens, GUI transactions ✅ Yes Custom SAP GUI apps Function Grp F Group of function modules ❌ No BAPIs, reusable logic Subroutine S Collection of FORM routines ❌ No Old-style code reuse Class Pool K Global class definitions ❌ No OO programming, ...
Feature List Report Grid Report (ALV) Output Format Plain text list Interactive grid/table User Interactivity Low High Sorting/Filtering Manual (if needed) Built-in Totals/Subtotals Not available Available Export Options Manual Export to Excel, etc. Development Effort Low Medium to High Modern UI Experience No Yes
A domain defines the technical characteristics of a field, such as: Data type (e.g., CHAR, NUMC, DEC) Field length Decimal places Value ranges (fixed values or intervals) Domains help in reusing field definitions across multiple tables or structures.
A macro is a text replacement technique defined using DEFINE … END-OF-DEFINITION. It’s similar to a preprocessor directive and is expanded at runtime. When to use: · For short code blocks with similar patterns (e.g., logging or repetitive output). · Used mainly in ...
In-App Extension involves customizing or extending SAP standard applications within the SAP core system itself (e.g., within SAP S/4HANA). Where it runs: Inside the same SAP S/4HANA system Uses SAP tools like Key User Extensibility tools, ABAP in Eclipse, or Fiori App Customization Typical ...
The SELECT statement in SAP ABAP is used to retrieve data from database tables into internal tables or variables. It’s one of the most powerful and frequently used Open SQL statements in ABAP and helps interact with the underlying SAP ...
A subroutine is a block of reusable code defined using FORM and called using PERFORM. It is a procedural method of modularization mainly used in classical ABAP programming. When to use: In classic procedural ABAP programs. For logic reuse in the same or ...
A function module (FM) is a globally reusable procedure created in transaction SE37 or inside a Function Group. It can be called from anywhere in the system. When to use: · When you want reusable logic across different programs. · Supports exception handling ...