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Day2YourFirstABAP/4ProgramBeforeProceedingExploringtheDevelopmentEnvironmentDiscoveringProgramTypesoDefiningReportsoDefiningDialogProgramsDiscoveringReportComponentsoDiscoveringtheProgramRuntimeObjectoIntroducingProgramNamingConventionsCreatingYourFirstProgramExploringtheSourceCodeEditoroUsingtheEditor:InitialScreenoExploringtheFunctionalityoftheSourceCodeEditorGettingHelpoObtainingF1HelpoObtainingR3LibraryHelpFindingYourDevelopmentObjectsIntroducingtheR/3DataDictionaryoExploringTablesandStructuresoDisplayingaTableorStructureDefinitionoDisplayingDataintheTableoDeterminingDisplayedFieldsUnderstandingABAP/4SyntaxoIntroducingtheselectStatementoUnderstandingTableWorkAreasoIntroducingthewhereClauseoWorkingwithSystemVariablesoUsingtheChainOperatoroUsingtheselectsingleStatementoCommentingCodeandFormalDocumentationSummaryQ&AWorkshopoQuizoEditorExercisesoProgrammingExercisesAfteryoucompletethischapter,youshouldbeableto:CreateandmodifysimpleABAP/4programs.UsestandardfunctionsintheABAP/4editor.UseF1andR/3Libraryhelpfunctions.FindyourprogramsusingtheObjectBrowserandtheeditor.DisplayatableanditscontentsusingtheDataDictionary.38Usethetablesandselectstatements.Chainstatementstogetherusingthechainoperator.Addcommentsanddocumentationtoyourprograms.BeforeProceedingBeforeproceeding,youshould:BecomfortablewithaprogramminglanguagesuchasC,COBOL,orVisualBasic.Toobtainthefullbenefitfromthisandallfollowingchapters,youshouldalsohavetwoormoreyearsofpreviousdevelopmentexperience.SetupyourinterfaceasrecommendedinDay1inthesection"TheInterfaceMenu,"ifyouhavenotdonesoalready.PerformtheinstallprocedurefortheScreenCamsontheCD-ROM.Theinstallprocedureisdescribedinthereadme.txtfilefoundintherootdirectoryoftheCD-ROM.ManyoftheproceduresinthisbookaredemonstratedusingScreenCams.ScreenCamsarelikemovies;theyshowaseriesofscreens,includingkeystrokesandmousemovements,withadescriptivevoiceover.TheycanbefoundontheCD-ROMthatcomeswiththisbook.Seethereadme.txtfilefoundintherootdirectoryoftheCD-ROMformoreinformation.ExploringtheDevelopmentEnvironmentAdevelopmentobjectisanythingcreatedbyadeveloper.Examplesofdevelopmentobjectsareprograms,screens,tables,views,structures,datamodels,messages,andincludes.TheR/3systemcontainstoolsforcreatingandtestingdevelopmentobjects.ThesetoolsarelocatedintheR/3DevelopmentWorkbench.Toaccessanydevelopmenttool,yougototheworkbench.Theworkbenchcontainsthesetoolstohelpyoucreatedevelopmentobjects:TheABAP/4programeditorwhereyoucancreateandmodifyABAP/4sourcecodeandotherprogramcomponentsTheDataDictionarywhereyoucancreatetables,structures,andviewsTheDatamodelerwhereyoucandocumenttherelationshipsbetweentablesTheFunctionlibrarywhereyoucancreateglobalABAP/4functionmodulesThescreenandmenupainterswhereyoucancreateauserinterfaceforyourprogramsThefollowingtestingandsearchtoolsarealsoavailable:theABAP/4DebuggertheSQLtracetoolusedtotuneSQLstatementstheruntimeanalyzerforoptimizingyourprogram'sperformanceawhere-usedtoolforimpactanalysisacomputer-aidedtesttoolforregressiontesting39arepositorysearchtoolforfindingdevelopmentobjectstheWorkbenchOrganizerforrecordingchangestoobjectsandpromotingthemintoproductionAlldevelopmentobjectsareportable,meaningthatyoucancopythemfromoneR/3systemtoanother.Thisisusuallydonetomoveyourdevelopmentobjectsfromthedev...