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 ...
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An include is a code fragment stored separately and inserted into a program using the INCLUDE statement. It’s mainly used to split a large program into manageable blocks. When to use: To split large programs into smaller reusable blocks. Often used for reusable ...
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 ...
In OData (Open Data Protocol), an entity is a representation of a data record that typically maps to a row in a database table. Key Concepts: Entity = Object or Record For example, a Customer, Order, or Product can each be ...