Abap reports

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Abap reports

  1. 1. Systems Applications & Products• SAP Architecture & Overview
  2. 2. SAP R/1 , R/2 The R/2 system Reorganized as leading mainframe software for large multinationalcorporations 4,300 copies worldwide in 1993 Mainframe-based to replace user legacy software;co-existence and migration strategy underway for R/2 and R/3 The R/1 system Developed for ICI Chemical Released 1972 Focused on Sales & Distribution and Materials Management Discontinued after release of R/26/14/2013
  3. 3. Dispatcher Tasks• Balances the workload between theprocesses• Buffer management in main memory• Connection with the presentation level• Organization of the communication processes6/14/2013
  4. 4. Different Kind of Work Processes for different TasksDialogSAP DispatcherBatchSpoolUpdateEnqueueS1296311 17 58 4210BMGMessageGatewayR/2 R/3VE6/14/2013
  5. 5. Dialog Work ProcessesDialog• Responsible for the interactive tasks of theR/3 system• Dialog work processes execute only onedialog step at a time and are immediatelyfreed for the next user request• Constantly switching between users6/14/2013
  6. 6. Background Work Processes• Responsible for executing ABAPprograms submitted for backgroundexecution• Batch jobs schedule the sequence ofprogram execution• Used for running long and timeconsuming programsBatch1296311 17 58 4210B6/14/2013
  7. 7. Spool Work Processes• Responsible for formatting the data forprinting and passing it to the host spoolsystem• Only one spool work process allowedper serverSpool6/14/2013
  8. 8. Enqueue Work Processes• Responsible for the lock managementsystem• Synchronizes database access for themultiple application servers and workprocesses• Only one enqueue process per R/3system to ensure data integrityEnqueueE6/14/2013
  9. 9. Update Work Processes• Responsible for making databasechanges requested by dialog andbackground processes• For better performance, this processshould be on the database serverUpdateV6/14/2013
  10. 10. IntegrationSUPPLIERCUSTOMERS A P R / 3Procurement Production DistributionFinance and AccountingMM PP SDFI COAll business processes throughout the supply chain are executed inone system sharing all informationWorkflow6/14/2013
  11. 11. SAP R/3 : ComponentsABAPProgramsConfigurationOrganization StructureKey Data ElementsFunctionality ConfigurationsApplicationMaster DataTransaction Data6/14/2013
  12. 12. Understanding the Logon Client000001066800Client Copy6/14/2013
  13. 13. Login Screen6/14/2013
  14. 14. Data in SAP System1. Client-dependent Data(Client-Specific)2. Client-independent Data(Cross-Client)User MasterCustomizingApplicationMasterTransactionCustomizingRepositoryconfigurations≈ xxxx tables≈ xx,xxx tablese.g. printerABAP programs6/14/2013
  15. 15. ABAP Programming SAP R/3 applications are written in the ABAP programming language, andrun within the application layer of the R/3 System. ABAP programs communicate with the database management system of thecentral relational database (RDBMS), and with the graphical user interface(SAP GUI) at presentation level.6/14/2013
  16. 16. Why do we need ABAP Development ?SAP R/3 scopeSpecific companyrequirementsNon SAPapplicationsNew FunctionalityDevelopment6/14/2013

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