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

The Data Dictionary


The Data Dictionary is a set of information describing the objects of a database and the relationship between its elements.

Note

The Data Dictionary is used to control access to and manipulation of the database.

The Data Dictionary includes a domain, Types (StRUCTURES, DATA TYPE, and TABLE TYPE), tables, views, search helps, and lock objects.

The following diagram explains the division of objects in a Data Dictionary:

To create an object for the Data Dictionary, we need to use the SE11 transaction. The transaction code is usually only a few characters long and guides you directly to the screen of the task that the user wants to perform. This screen is shown in the following screenshot:

Domains

A domain is an object that describes various technical attributes, such as the data type length of a table field. A domain is assigned to a data element. One domain can be assigned to many data elements.

Creating a domain is very easy and quick. We don't need specialized knowledge. The...