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Seller's Description:
Very good. "Content: 1. Introduction...13 1.1 The Technical Quality of ABAP Software...16 1.2 ABAP Objects and Unicode-Enabling...19 1.3 The Structure of This Book...32 2. Quality of the Development Organization...37 2.1 Introduction...37 2.2 The Impact of Using ERP Functionality...39 2.3 The Impact of a Multi-System SAP Landscape...52 2.4 The Impact of a Multi-Application Landscape...65 2.5 The Impact of Several SAP R/3 Production Systems...67 2.6 Summary...71 3. Correctness...73 3.1 Typical Correctness Categories...73 3.2 Selecting Data...74 3.3 Processing Data...91 3.4 Managing Data in Memory...109 3.5 Inconsistencies in Database Updates...128 3.6 Checking the Unicity of Interface Data...140 4. Stability...145 4.1 Stability Problems...145 4.2 Programming Errors That Promote Instability...147 4.3 Risks of Dynamic Programming...165 4.4 Changes in an ABAP Program's Environment...189 4.5 Using an ABAP Program Incorrectly...195 5. Exceptions and Error Handling...219 5.1 The Importance of Exception Handling...219 5.2 Implementation of Exception Handling...221 5.3 Class-Based Exception Handling...231 5.4 Conclusions...243 6. User-Friendliness...245 6.1 The Importance of Standardization...245 6.2 Guidelines for The Look-and-Feel and Behavior of Your Programs...247 6.3 Guidelines for Navigation and Support...260 6.4 Conclusion...265 7. Performance...267 7.1 Introduction...267 7.2 Optimizing Processing on the Database Server: Using Indexes...269 7.3 Minimizing Data Traffic Between the Database Server and the Application Server...293 7.4 Optimizing Processing on the Application Server...308 7.5 Minimizing Data Traffic Between the Application Server and a Client...327 7.6 Summary...329 8. Maintainability...331 8.1 Maintainability of Standard SAP Software...332 8.2 Maintainability of Customized ABAP Software...336 8.3 Enhancing Maintainability with ABAP Objects...365 8.4 Summary...377 9. Checking Robustness and Troubleshooting...379 9.1 Changes and New Developments...379 9.2 Troubleshooting Incidents...439 9.3 Summary...455 Appendix...457 A. A Proposal for Naming Standards...457 B. Example of an Exception Handling Class...461 C. Template for an ALV Report...473 D. Bibliography...493 E. Author Portraits...497 Index...499 Enhancing the Quality of ABAP Development Wouter Heuvelmans Albert Krouwels Ben Meijs Ron Sommen Florian Zimniak error handling fault tracing Maintainability Testing checking program code computers software Galileo Press GmbH Wouter Heuvelmans works for Ctac as an expert in the field of the ABAP Development Workbench. From 1989 onwards, he collected 15 years of experience in this field. He joined Ctac in 1996 where, besides working in implementation and optimization projects, he also specializes in auditing ABAP developments. Furthermore, he is an established ABAP trainer for his colleagues and customers. In addition to his important contribution to the contents of this book, Wouter is also responsible for all illustrations. Albert Krouwels works for Ctac as a specialist in the field of Logistics and Production Planning. He has extensive experience in the design of ABAP developments since 1991, working with most SAP releases form R/2 to R/3 Enterprise. He is experienced in all phases of the software life-cycle: implementation, optimization and maintenance. Albert joined Ctac in 1995. Albert is the editor of this book. He is responsible for the consistency of the text throughout all the chapters. His frequent questions ""Why is this important? What is the point you are trying to make here? "" has made this book what it is now. Ben Meijs is Product Manager Application Development at Ctac. Like Wouter Heuvelmans, he is an expert in the field of the ABAP Development Workbench. Since 1989 he collected his extensive knowledge in SAP implementations, optimizations, upgrades and application management. Since 1997, Ben has performed several audits on the quality of customized ABAP software, helping customers to...
