Software Development for SAP R/3®
Data Dictionary, ABAP/4®, Interfaces
Published on 6. December 2012
XI, 347 pages
978-3-642-57225-8 (ISBN)
Description
The use of commercial standard software is increasing in importance throughout the world. With its R/3 product, SAP AG has brought the package on the market that provides the most comprehensive functionality. When standard solutions are used, there is, a priori, a conflict of aims between what the standard offers and the company-specific requirements. SAP counters this in the R/3 System by building a modular software that can be customized to meet the cus tomer requirements. However, many users still see themselves forced to make in-house devel opments, to various degrees, to fit the R/3 System. Here they can use the ABAP Workbench that SAP supplies with every system. The present book targets those persons who need to perform these customer-oriented supple mentary developments. It leads the reader through the fundamentals of software development within the R/3 System using the ABAP Workbench. These principles differ from other devel opment environments, in particular, through their complexity and the close integration with the R/3 System. Because an installation for testing and training purposes on the PC at home is not an option, I considered a structured, understandable introduction to the material in the form of a If you initially read the book "offline" from an R/3 System, you will book to be more important.
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Content
1 Introduction.- 1.1 Content and Aim of the Book.- 1.2 Limitations.- 2 R/3 Computer and Software Architecture.- 2.1 Three-level Client-Server Architecture.- 2.2 Software Architecture.- 2.3 Operational Modes for Developers.- 3 The Example - A Service System.- 3.1 Logical Data Model.- 3.2 Use of the Example.- 4 Data Dictionary and Data Modeler.- 4.1 Data Dictionary.- 4.2 Data Modeler.- 5 Workbench.- 5.1 Program Development Objects.- 5.2 Primary Objects.- 5.3 Use of the Workbench.- 5.4 Important Workbench Tools.- 6 ABAP/4 Fundamentals.- 6.1 ABAP/4 Characteristics.- 6.2 Internal Fields.- 6.3 Output Instructions - WRITE, SKIP, ULINE, NEW-PAGE.- 6.4 Control Instructions.- 6.5 Field Strings.- 6.6 Internal Tables.- 6.7 User-Defined Data Types - TYPES.- 6.8 Field Symbols - FIELD-SYMBOLS, ASSIGN.- 6.9 Database Access Using Open SQL.- 6.10 Database Access with Native SQL.- 7 Interactive Reports.- 7.1 Event Control.- 7.2 Texts and Menus.- 7.3 List Processing.- 7.4 Group Change.- 8 Advanced Programming Techniques.- 8.1 Macros and Includes.- 8.2 Subprogram Technique Using Forms.- 8.3 Data Exchange Between Reports.- 8.4 Logical Databases.- 8.5 Function Groups and Function Modules.- 8.6 Authorization Checks.- 9 Development of Dialog Transactions.- 9.1 Concept.- 9.2 Dialog Program Components and Their Processing.- 9.3 Screen Processing.- 9.4 Screen Flow Control.- 9.5 Example 1: Hand Calculator.- 9.6 Screen Layout Features.- 9.7 Example 2: Two Table Controls on a Dynpro.- 9.8 Database Operations.- 9.9 Example 3: Updating Action.- 9.10 Transaction Manager for Complex Business Transactions.- 10 Background Processing.- 10.1 Concept.- 10.2 Interactive Processing with the Job Control.- 10.3 Programming the Job Control - an Example.- 10.4 Special Questions Concerning the Background Processing.- 11 File Interfaces.- 11.1 Read and Write Files on the Application Server.- 11.2 Read and Write PC Files.- 11.3 Processing of the Data from an ASCII File.- 11.4 Logical File Interfaces (LFI).- 12 Batch Input.- 12.1 Concept.- 12.2 Classic Batch Input Using Sessions.- 12.3 Batch Input Using CALL TRANSACTION.- 13 Desktop Integration.- 13.1 Remote Function Call (RFC).- 13.2 Desktop Integration with OLE.- 14 Development Aids.- 14.1 Pretty Printer and Program Checks.- 14.2 Testing of Function Modules.- 14.3 Dump Analysis.- 14.4 Debugger.- 14.5 SQL Trace.- 14.6 Runtime Analyses.- A Important System Fields from the SYST Structure.- B Important Transaction Codes.- C Programs.- D Sample Tables.- E Diskette Contents.
