We have discussed What is a Function module and How to call a Function Module in an ABAP program as well as handle exception. In this article we will learn how to create a custom Function module using TCode SE37 Function Builder. Execute SE37 Enter Function module name ZAMARMN_DIVIDE and choose Create. Enter Function group […]
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It’s a good practice to keep ABAP program modularized. An ABAP program written as a single unit is difficult to maintain as well as have poor readability. Also it may contain repeated blocks of code. Modularization involves placing repeated code in a logical reusable block also known as a module or processing block and call
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Subroutines are procedural blocks within an ABAP program, used for local modularization. Subroutines are called using statement PERFORM and defined using statement FORM.. ENDFORM. We can define subroutine in an ABAP program and call the subroutine from the same program (internal subroutine) of some another program ( external subroutine ). It is advised not to
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ERP and SAP IntroductionIntroduction to ERP, why company needs an ERP software? Introduction to SAP, History and Evolution of SAP. Functional and Technical Modules in SAP. SAP System ArchitectureArchitecture of SAP System. SAP R/1 single-tier architecture, SAP R/2 tow-tier architecture, SAP R/3 three-tier architecture. Understanding SAP NetWeaver Technology Platform. SAP NetWeaver Application Server . SAP
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With SAP R/3 system, SAP moved towards 3-tier architecture. A three-tier architecture is a client/server architecture, wherein we have three service layers Presentation layer, Application layer and Database layer. Each of these layers are developed and maintained as individual modules. SAP Installation consists of a database server, typically on a UNIX based machine/system; one or
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In ABAP Dictionary we can define following basic types. Data Element Structure Table Type We can use these data types to define data objects in ABAP programs. Data Elements use domains or predefined DDIC types to define their technical attributes. A structure consists of components that can be elementary fields or a structure or a
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