Learn SAP-ABAP with Real Code Examples
Updated Nov 27, 2025
Architecture
Runs on SAP NetWeaver Application Server (ABAP stack)
Programs compiled into intermediate code for execution
Supports database-independent Open SQL and HANA-specific SQL
Integrates with SAP GUI, Web Dynpro, Fiori, and workflows
Event-driven and batch processing supported
Rendering Model
Code compiled to intermediate representation for SAP runtime
Programs execute on SAP NetWeaver/ABAP stack
Database operations via Open SQL or HANA SQL
UI integration via SAP GUI, Web Dynpro, Fiori
Batch and event-driven processing supported
Architectural Patterns
Procedural reports and dialog programs
Object-oriented class and interface design
Function modules and BAPI services
Event-driven workflow logic
Integration with SAP HANA and external systems
Real World Architectures
Enterprise reporting and analytics
Supply chain automation workflows
Financial and HR process integration
Fiori and UI5 frontend with ABAP backend
SAP cloud integration via APIs
Design Principles
Integration with SAP business modules
Modular and reusable code via function modules and classes
Data-centric development with internal tables and Open SQL
Event-driven programming for workflows
Support for both procedural and object-oriented designs
Scalability Guide
Optimize SELECT statements for large tables
Use buffering and indexes efficiently
Leverage parallel batch jobs
Modularize code for reuse
Use HANA-specific performance enhancements
Migration Guide
Adjust code for S/4HANA database and syntax
Update deprecated function modules
Refactor reports to leverage HANA optimizations
Test transports in quality system
Document changes for audit and maintenance