The SAP R/3 system has become the leading business information standard system worldwide. It has its own development environment based on the 4GL language ABAP/4. The ABAP/4 workbench presented in this book is built on the enterprise-wide data model of R/3 and contains all the tools needed for effective development of large program systems in distributed teams. To develop the R/3 modules, even SAP makes exclusive use of the ABAP/4 workbench. The book explains how to apply the development environment for R/3 users and advisors to extend and adapt the system to their special needs. It does so…mehr
The SAP R/3 system has become the leading business information standard system worldwide. It has its own development environment based on the 4GL language ABAP/4. The ABAP/4 workbench presented in this book is built on the enterprise-wide data model of R/3 and contains all the tools needed for effective development of large program systems in distributed teams. To develop the R/3 modules, even SAP makes exclusive use of the ABAP/4 workbench. The book explains how to apply the development environment for R/3 users and advisors to extend and adapt the system to their special needs. It does so using numerous reusable examples in ABAP/4. The text focuses especially on how to solve interface problems and on the integration of desktop PCs into R/3. Source code for all examples is included on the accompanying diskette.
Dr. Ulrich Mende ist seit 12 Jahren als selbstständiger R/3-Berater, Entwickler und Trainer im Bereich ABAP-Workbench und SAP Business Workflow tätig. Er hat in den letzten Jahren für so namhafte Firmen wie die Deutsche Börse AG, die E.ON AG, die RWE AG und die Berliner GASAG komplexe Workflow-Anwendungen entwickelt und bis zur Produktivsetzung begleitet. Das vorliegende Buch entstand direkt aus seiner Entwicklertätigkeit in diesen Projekten.
Inhaltsangabe
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.
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.
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