Book Image

Mastering SAP ABAP

By : Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik
Book Image

Mastering SAP ABAP

By: Paweł Grześkowiak, Wojciech Ciesielski, Wojciech Ćwik

Overview of this book

Advanced Business Application Programming (ABAP) is an established and complex programming language in the IT industry. This book is designed to help you use the latest ABAP techniques and apply legacy constructions using practical examples. You'll start with a quick refresher on language and database concepts, followed by agile techniques for adding custom code to a modern ABAP system. After this, you will get up to speed with the complete ABAP toolset for importing data to and from different environments. Next, you'll learn how to print forms and work with the different ABAP tools for Extensible Markup Language (XML) manipulation. While covering further chapters, you'll gain insights into building stunning UI5 interfaces, in addition to learning how to develop simple apps using the Business Object Processing Framework (BOPF). You will also pick up the technique of handling exceptions and performing testing in ABAP. In the concluding chapters, you can look forward to grasping various techniques for optimizing the performance of programs using a variety of performance analysis tools. By the end of this book, you will have the expertise you need to confidently build maintainable programs in Systems, Applications, and Products (SAP).
Table of Contents (25 chapters)
Title Page
Copyright and Credits
Dedication
About Packt
Contributors
Preface
Index

Legacy ways of changing the standard


The idea of enhancements is to give SAP consultants the ability to use the SAP system in every business scenario without exception and to guarantee the stability of the system's operation. Enhancements are given result of a gap between SAP standard functionality and the customer business model. Given this, almost every example in this chapter is closely related to a business process. This is something far more complicated than the technical level example we provided in previous chapters. Here, we added an additional business layer that we need to understand. Let's provide some examples of where enhancements may be needed. We have customer master data stored in the SAP system (from a technical perspective, this means that we have records in a few database tables, for example, KNA1 ). SAP gives us lots of standard fields, such as names, addresses, tax details, payment information, and so on. Those fields cover a large part of a business, but you also have...