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Enhancing the Quality of ABAP Development 2004 HC
Heuvelmans, Wouter; Krouwels, Albert; Meijs, Ben; Sommen, Ron
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Enhancing the Quality of ABAP Development (Gebundene Ausgabe) von Wouter Heuvelmans Albert Krouwels Ben Meijs Ron Sommen Florian Zimniak
Wouter Heuvelmans Albert Krouwels Ben Meijs Ron Sommen Florian Zimniak
Sprache: Englisch
Verlag: SAP PRESS; Rheinwerk Publishing Galileo Press GmbH Auflage: 1 (30. September 2004), 2004
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Hardcover. Zustand: gut. Auflage: 1 (30. September 2004). 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 . 3…9 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 improve technical quality issues raised in this book. Ben joined Ctac in 1995.Ben is responsible for the contents of this book. Besides writing and reviewing texts, he has been the main technical counterpart for Albert. Ron Sommen is Product Manager Integration Technology at Ctac. As a consultant, he has been developing applications in SAP R/3 with a focus on accessibility of R/3 for other systems and users. He specializes in EAI, XI, Web Applications, Web Services etc. Ron joined Ctac in 1997. His knowledge of integration techniques and ABAP Objects has been an essential condition for making the book complete and up-to-date. Besides that, he delivered an important task in reviewing texts and in checking the ABAP code, used throughout this book. Verlagsort Maryland Sprache: englisch Maße: 180 x 230 mm Einbandart: gebunden Mathematik Informatik Programmiersprachen Programmierwerkzeuge Informatik Hardware ISBN-10: 1-59229-030-2 1592290302 ISBN-13: 978-1-59229-030-7 9781592290307 In englischer Sprache. 507 pages. 24,4 x 17,8 x 3 cm.
