Enhancement Technique Research And Implementation In SAP

SAP is the No.1high-end ERP software in the world, it is famous as its stablestructure, rigorous data flow and flexible configuration. But even the flexibleconfiguration can’t meet all of the requirements of the client. Especially in China, hereare the differences of management and cultural, SAP as a oversea software, itsimplementation projects always need a lot of customized developments to meetcustomer requirements, including the change of SAP standard function. This kind ofchange we call it enhancement, it makes SAP can highly satisfy customer requirement,enhancement developments often are crucial part of a successful project, and also arethe key assessment point about the custom accepting the project.In the SAP system, almost all the business module and logic are written by ABAPlanguage, developers can be in any place use command ’/H’ into SAP debugginginterface, check the source code and read SAP business logic code and view thecurrent system variant value. It is very convenient let the developer understand SAPsystem, find appropriate enhancement point or component to create. In SAP openingarchitecture, the developer can do enhancement of SAP in anywhere, the enhancementdevelopment including data validation, business process control, screen layout control,batch process, and data control etc, all of them for meeting the customer specificrequirements.This article base on the real SAP project, which introduce a variety ofenhancement technology of SAP, and do research and analysis and technicalrealization of the most commonly used three kinds of technology: Exit enhancementtechnique, and BADI enhancement technique and enhance point technique. The detailincluding mechanism and category of each enhancement technology, the searchingway of appropriate enhancement place or component, chose some enhancementdevelopment examples from real project with flow chart, the necessary SAPscreenshots and the comments. In order to better explain the SAP system development,a brief introduction of the SAP system and its unique development language ABAPlanguage is provided too.