Data Interfaces

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Technical Representation of the SAP Gateway Functionality of the SAP gateway R/3 dispatcher R/2 (SNI) © SAP AG X1SA TCP/IP gwrd gwrd gwhost gwwp LU6.2 X1SA gwrd R/2 (IBM) R/3 dispatcher The SAP gateway or the CPI-C Handler is involved in every communication with an R/3 System. The SAP gateway is supplied with every R/3 System. The SAP gateway is a program pool in the R/3 System’s executable directory. All gateway programs begin with "gw". The SAP gateway consists of the following programs: gwhost gwims gwmon gwrd gwwp At runtime, you can identify gateway processes with the UNIX command "ps -ef | grep gw". The SAP gateway is responsible both for TCP/IP and LU6.2 connections.
SAP Side Information Tables (CPI-C) R/2: XCOM R/3: TXCOM UNIX NT Windows OS/2 © SAP AG XCOM DEST DEST LU LU TP TP ... ... TGB TGB LU1 LU1 CP1C2 CP1C2 TXCOM DEST LU TP Prot ... ABC LU2 CPIC2 E sideinfo DEST DEST = = GWHOST GWHOST GWHOST GWHOST = = is0001 is0001 GWSERV GWSERV = = sapgw00 sapgw00 LU LU = = hw5001 hw5001 TP TP = = sapgw00 sapgw00 PROTOCOL PROTOCOL = = I I The side information table is a configuration table where you define the parameters that are necessary for a communication. The table has a different name in different systems. In R/2, it is known as XCOM and can be maintained with Transaction TM31. In R/3, it is known as TXCOM and can be maintained with Transaction SM54 or SM31. In external systems, the side information table is always called sideinfo. In UNIX, for example, you can edit side information with the editor program "vi". The side information table is used for CPI-C and RFC connections in external systems.
Page 1 and 2: © SAP AG Data Interfaces Applicati
Page 3 and 4: Chapter 1 Basic Techniques © SAP A
Page 5 and 6: Linking Options Overview © SAP AG
Page 7 and 8: Indirect Communication I © SAP AG
Page 9 and 10: Transferring Time-critical Data ©
Page 11 and 12: Direct Communication II Remote call
Page 13 and 14: Network: TCP/IP and SNA LU6.2 TCP/I
Page 15 and 16: SAP Gateway (CPI-C Handler) SD MM P
Page 17 and 18: Chapter 1 Summary © SAP AG l The R
Page 19 and 20: Chapter 2 Objectives © SAP AG l Th
Page 21: Communication: R/3 External Program
Page 25 and 26: Communication Between Two R/3 Syste
Page 27 and 28: R/3 R/2 Communication (IBM) © SAP
Page 29 and 30: R/3 R/2 Communication (SNI) © SAP
Page 31 and 32: R/3 External Program (UNIX) © SAP
Page 33 and 34: R/3 External Program (Windows NT)
Page 35 and 36: R/3 External Program (WfW , Window
Page 37 and 38: R/3 IBM Host / AS400 © SAP AG Ext
Page 39 and 40: External Program (LU6.2) R/3 Exter
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Page 45 and 46: RFC Features © SAP AG Automatic Au
Page 47 and 48: Local Call of Function Modules ABAP
Page 49 and 50: REMOTE FUNCTION CALL (RFC) SAP syst
Page 51 and 52: Table RFCDES © SAP AG Maintaining
Page 53 and 54: Remote Debugging R/3 A REPORT CUGE.
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Page 57 and 58: RFC Dialog R/3 System 1 R/3 System
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RFC Generator for Visual Basic Prog
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Chapter 3 Summary © SAP AG l RFC a
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3. Maintain a logical destination (
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Exercise 3 for Chapter 3 Report nam
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ENDCASE. LOOP AT CARRITAB. WRITE: /
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CASE SY-SUBRC. WHEN 1. WRITE: / MES
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IF SY-SUBRC 0. ENDIF. WRITE: / 'Er
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Chapter 4 Objectives © SAP AG l Ce
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SAP Desktop Integration: Tools l Ba
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Component Architecture © SAP AG OL
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OLE 2.0 Components Automation Struc
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R/3 and OLE 2.0 Automation ABAP/4 S
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OLE 2.0 Client Properties l Facilit
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ABAP/4 Statements for OLE 2.0 Five
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OLE Server Architecture in R/3 Desk
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RFC Object Hierarchy Exports collec
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Setting Up a Connection to R/3 Logo
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Calling an R/3 Function (2.1) Creat
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Working with Tables: Results (1) Wo
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Working with Tables: Entry (1) Crea
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Exercise for Chapter 4 Report name:
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* Fill line in EXCEL sheet with hea
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Chapter 5 Objectives © SAP AG l Th
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General Flow System 1 System 2 © S
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the editor program “vi”
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CPI-C Calls in ABAP/4 © SAP AG COM
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Standard Includes (Data Definitions
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Setting Up Connections Actively (AL
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Sending Data (SEND) ABAP/4 C ... CO
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Status and Data Information in RECE
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CPI-C Return Codes ABAP/4: Include
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CPI-C SAP-specific Functions SAP_CM
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ABAP/4 Program as Server © SAP AG
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Conversion Commands © SAP AG ABAP/
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Logon to the SAP System Logon CONN
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CPI-C Development Environment l ABA
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Executing CPI-C Test Programs © SA
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Chapter 5 Summary © SAP AG l SAP p
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Solution for Chapter 5 &-----------
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Outlook: SAP Business Objects l Obj
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Outlook: Object Hierarchy © SAP AG
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© SAP AG Data Transfer Application
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Chapter 1 Sequential Files © SAP A
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Overview © SAP AG ABAP/4 program R
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File Processing © SAP AG Open file
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Opening a File (Binary and Text Mod
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Opening a File - AT POSITION © SAP
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Reading Data Records © SAP AG READ
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Example: Creating a File © SAP AG
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Example: Reading a File © SAP AG R
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Example: Variable Format (Generate)
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Defining Structures - Summary Yes
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Exercises on Chapter 1: Sequential
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Model Solution 1 for Chapter 1: Seq
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Model Solution 2 for Chapter 1: Seq
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Chapter 2 Introduction to Batch Inp
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Task Overview © SAP AG External Ex
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Technique Overview External system
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Batch Input Processing © SAP AG SA
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Batch Input Queue File © SAP AG Sc
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Creating a Batch Input Session © S
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Function Module BDC_OPEN_GROUP © S
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BDC Table Program Screen Start Fiel
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Filling the BDC Table © SAP AG FOR
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Example: Change Customer Data © SA
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Preparations for BDC Program - Scre
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Declaration Part 1 © SAP AG REPORT
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Filling the BDC Table 2 © SAP AG F
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Filling the BDC Table 4 © SAP AG C
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Generating a Sequential File for BD
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Reading in the Data and Creating Se
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Copying Data to Screens © SAP AG S
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Batch Input Processing © SAP AG Fu
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Creating and Processing Sessions ©
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Summary of Batch Input Programs ©
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Exercises for Chapter 2: Introducti
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The 'U' and 'N' records are filled
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Model solution 1 (Chapter 2): Intro
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ENDDO. * Close the completed sessio
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VALUE TO BDC_TAB-DYNPRO, 'X' TO BDC
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* the BDC_TAB (screen format), irre
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Chapter 3 Objectives © SAP AG l Ac
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Preparations for BDC Program - SFLI
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Creating Sessions - Declaration Par
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BDC Program: Filling the BDC Table
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Special Fields © SAP AG OK code:
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Report RSBDCSUB © SAP AG ABAP/4 de
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Authorizations for Batch Input Proc
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Chapter 3 Summary © SAP AG l In ba
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Chapter 4 General Information on Ap
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Overview © SAP AG Customer system
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Data Analysis © SAP AG Fields and
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Importing SAP Structures © SAP AG
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Other Tasks of a Transfer Program
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Example: Transfer Program 1 © SAP
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Example: Transfer Program 3 © SAP
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Batch Input, CALL TRANSACTION and D
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Data Transfer with Batch Input © S
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Chapter 5 CALL TRANSACTION © SAP A
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Overview © SAP AG Batch input: Seq
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Technical Implementation Roll area
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Example Program - Fill BDC Table ©
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Message Output © SAP AG REPORT RSF
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Chapter 5 Summary © SAP AG l CALL
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Model solution for Chapter 5: CALL
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IF SY-SUBRC = 0. * Text-002 E: Tran
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Chapter 6 Objectives © SAP AG l Th
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Overview Application server files P
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Function Module DOWNLOAD © SAP AG
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Function Module UPLOAD © SAP AG CA
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Example Program: UPLOAD © SAP AG R
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Sequential File and Local File Sequ
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Chapter 6 Summary © SAP AG l The R
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Model solutions for Chapter 6: Loca
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2. *E Text-001: 'In file:' *E Text-
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© SAP AG Appendix IV
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Batch Input Flow © SAP AG SAP unkn
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© SAP AG Master Data Transaction f
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Documents © SAP AG Transaction FB0
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Transfer Options per Company Code
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© SAP AG Automatic Transfer of Leg
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Sequential file SAP data structure
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Phases of Background Job Processing
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