TAW10_1 ABAP Workbench Fundamentals

631 Pages·2005·41.16 MB·English

TAW10_1
ABAP Workbench Fundamentals
SAP NetWeaver 2004
Date
Training Center
Instructors
Education Website
Instructor Handbook
CourseVersion:2005/Q4
CourseDuration:15Days
Material Number: 50077030
Owner: Mario Gohlke (D023031)
An SAP Compass course - use it to learn, reference it for work
Copyright
Copyright'2005SAPAG.Allrightsreserved.
Nopartofthispublicationmaybereproducedortransmittedinanyformorforanypurposewithoutthe
expresspermissionofSAPAG.Theinformationcontainedhereinmaybechangedwithoutpriornotice.
SomesoftwareproductsmarketedbySAPAGanditsdistributorscontainproprietarysoftware
componentsofothersoftwarevendors.
Trademarks
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About This Handbook
This handbook is intended to complement the instructor-led presentation of this
course,andserveasasourceofreference. Itisnotsuitableforself-study.
Typographic Conventions
AmericanEnglishisthestandardusedinthishandbook. Thefollowingtypographic
conventions are also used.
Type Style Description
Example text Words or characters that appear on the screen. These
includefieldnames,screentitles,pushbuttonsaswellas
menunames, paths, and options.
Also used for cross-referencesto otherdocumentation
both internal (in this documentation) and external (in
other locations, suchasSAPNet).
Exampletext Emphasized words or phrases in body text, titles of
graphics, and tables
EXAMPLETEXT Namesofelementsinthesystem. Theseincludereport
names,programnames,transactioncodes,tablenames,
andindividualkeywordsof aprogramminglanguage,
when surrounded by body text, for example SELECT
and INCLUDE.
Example text Screen output. This includesfile and directory names
and their paths, messages, names of variables and
parameters,andpassagesofthesourcetextofaprogram.
Example text Exact user entry. These arewords and characters that
you enter in the system exactly as they appear in the
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<Example text> Variableuserentry. Pointedbracketsindicatethatyou
replace these words and characters with appropriate
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2005/Q4 ' 2005 SAP AG. All rights reserved.
AboutThisHandbook TAW10_1
Icons in Body Text
Thefollowing icons areused in thishandbook.
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Contents
Course Overview ............................................................................. vii
Course Goals.................................................................................vii
Course Objectives........................................................................... ix
Unit 1: SAP Solutions .........................................................................1
mySAP Business Suite and mySAP ERP.................................................2
SAP NetWeaver (cid:150) An Overview............................................................9
Unit 2: Navigation ............................................................................ 51
Navigation in General ..................................................................... 53
Advanced Navigation in the SAP GUI ................................................... 68
Appendix - Personalizing the User Interface............................................ 95
Unit 3: The System Kernel.................................................................105
Principal Architecture of the SAP Web Application Server .........................107
Dialog Processing in the SAP System..................................................136
Communication with the Database......................................................144
Unit 4: Communication and Integration Technologies .............................155
Cross-System Business Processes.....................................................157
Remote Function Calls and BAPIs......................................................162
Web Services ..............................................................................172
SAP Business Workflow..................................................................178
Unit 5: Sources of Information for Developers.......................................195
SAP Service Marketplace ................................................................196
SAP Developer Network.................................................................207
Unit 6: ABAP Program Process..........................................................217
System Architecture and ABAP Program Using Example of Selection Screen and
List .......................................................................................218
Unit 7: Introduction to ABAP Workbench..............................................233
Repository and Object Navigator........................................................235
Developing Programs and Organizing Developments................................247
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2005/Q4 ' 2005 SAP AG. All rights reserved.
Contents TAW10_1
Unit 8: Basic ABAP Language Elements...............................................281
Working with Elementary Data Objects.................................................282
Working with Structures...................................................................307
Working with Internal Tables .............................................................321
Unit 9: Data Retrieval.......................................................................345
Reading Database Tables................................................................346
Authorization Check.......................................................................375
Unit 10: Subprograms in ABAP..........................................................391
Subroutines.................................................................................392
Unit 11: Introduction to ABAP Events..................................................413
ABAP Events...............................................................................414
Unit 12: Classic List Processing.........................................................425
List...........................................................................................427
Selection Screen...........................................................................449
Generating and Designing the Selection Screen......................................469
Introduction to Logical Databases.......................................................489
Logical Database Subobjects and Data Retrieval.....................................497
Unit 13: Creating and Calling Function Groups and Function Modules........525
Function Groups...........................................................................527
Function Modules..........................................................................536
Calling Function Modules.................................................................557
Unit 14: Programs Calls and Data Storage Management ..........................577
Program Calls and Memory Management..............................................578
Glossary .......................................................................................609
Index............................................................................................615
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Course Overview
This training course, lasting three weeks, provides a comprehensive and detailed
introduction to the basics of ABAP/ABAP object-oriented programming and the
ABAP Workbench tools. This course also prepares you for certification as a
DevelopmentConsultantSAPNetWeaver-ABAPWorkbench2004.
Target Audience
Thiscourseisintended for thefollowingaudiences:
(cid:149) Developmentconsultantsanddeveloperswhoareresponsibleforadaptingand
developing ABAP/ABAP Objects programs
Course Prerequisites
Required Knowledge
(cid:149) Solid EDP basic knowledge
(cid:149) Goodprogrammingexperienceinadifferentprogramminglanguage
Course Duration Details
Unit 1:
SAP Solutions
mySAP Business Suite and mySAP ERP 60 Minutes
SAP NetWeaver (cid:150) An Overview 90 Minutes
Unit 2: Navigation
Navigation in General 40 Minutes
Exercise 1: Logon and Screen Design 10 Minutes
Advanced Navigation in the SAP GUI 60 Minutes
Exercise 2: Selecting Functions, Searching and
Filtering Data 30 Minutes
Appendix - Personalizing the User Interface 0 Minutes
Exercise 3: Appendix - Personalizing the User
Interface 10 Minutes
Unit 3: The System Kernel
Principal Architecture of the SAP Web Application
Server 75 Minutes
Exercise 4: Structure of an Instance 10 Minutes
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2005/Q4 ' 2005 SAP AG. All rights reserved.
Course Overview TAW10_1
Dialog Processing in the SAP System 30 Minutes
Exercise 5: Dialog Processing 5 Minutes
Communication with the Database 30 Minutes
Unit 4: Communication and Integration Technologies
Cross-System Business Processes 30 Minutes
Remote Function Calls and BAPIs 30 Minutes
Exercise 6: Remote Function Calls and BAPIs 10 Minutes
Web Services 30 Minutes
SAP Business Workflow 30 Minutes
Exercise 7: Leave Request as Workflow 10 Minutes
Unit 5: Sources of Information for Developers
SAP Service Marketplace 30 Minutes
Exercise 8: SAP Service Marketplace (Optional) 10 Minutes
SAP Developer Network 30 Minutes
Exercise 9: SAP Developer Network (Optional) 10 Minutes
Unit 6: ABAP Program Process
System Architecture and ABAP Program Using
Example of Selection Screen and List 20 Minutes
Unit 7: Introduction to ABAP Workbench
Repository and Object Navigator 45 Minutes
Developing Programs and Organizing
Developments 95 Minutes
Exercise 10: Organizing Developments 5 Minutes
Exercise 11: Developing ABAP Programs 20 Minutes
Exercise 12: Creating Transactions 10 Minutes
Unit 8: Basic ABAP Language Elements
Working with Elementary Data Objects 75 Minutes
Exercise 13: Basic ABAP Statements 30 Minutes
Working with Structures 75 Minutes
Exercise 14: Working with Structures 30 Minutes
Working with Internal Tables 90 Minutes
Exercise 15: Working with Internal Tables 30 Minutes
Unit 9: Data Retrieval
Reading Database Tables 110 Minutes
Exercise 16: Data Retrieval Using a SELECT Loop 30 Minutes
Exercise 17: Data Retrieval and Buffering in an
Internal Table 35 Minutes
Authorization Check 60 Minutes
Exercise 18: Authorization Check 20 Minutes
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TAW10_1 Course Overview
Unit 10: Subprograms in ABAP
Subroutines 70 Minutes
Exercise 19: Subroutines 30 Minutes
Unit 11: Introduction to ABAP Events
ABAP Events 20 Minutes
Unit 12: Classic List Processing
List 110 Minutes
Exercise 20: List 50 Minutes
Selection Screen 80 Minutes
Exercise 21: Selection Screen 30 Minutes
Generating and Designing the Selection Screen 40 Minutes
Exercise 22: Designing, Initializing, and Checking a
Selection Screen 25 Minutes
Introduction to Logical Databases 30 Minutes
Logical Database Subobjects and Data Retrieval 50 Minutes
Exercise 23: GET Events 30 Minutes
Exercise 24: GET LATE Events and Checks from
Internal Program Selections 20 Minutes
Unit 13: Creating and Calling Function Groups and Function Modules
Function Groups 20 Minutes
Exercise 25: Creating a Function Group 10 Minutes
Function Modules 60 Minutes
Exercise 26: Creating Function Modules 15 Minutes
Calling Function Modules 50 Minutes
Exercise 27: Implementing and Calling Function
Modules 25 Minutes
Exercise28: UsingGlobalDataofaFunctionGroup 20 Minutes
Unit 14: Programs Calls and Data Storage Management
Program Calls and Memory Management 40 Minutes
Exercise 29: ABAP Memory 30 Minutes
Course Goals
This course will prepare you to:
(cid:149) Work with the ABAP Workbench tools
(cid:149) Write your own simple ABAP programs
(cid:149) Program object-oriented ABAP Objects
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2005/Q4 ' 2005 SAP AG. All rights reserved.
Course Overview TAW10_1
Course Objectives
After completing thiscourse, you will beableto:
(cid:149) Describe thedata structure of SAP systems
(cid:149) Use the ABAP Workbench tools
(cid:149) Create lists using classic reports
(cid:149) Createandcallfunctiongroupsandfunctionmodules
(cid:149) Work with the ABAP Dictionary
(cid:149) Program in a performance-sensitive manner
(cid:149) Describetheconceptsbehindobject-orientedprogramming
(cid:149) Create lists using ALV Grid Control
SAP Software Component Information
TheinformationinthiscoursepertainstothefollowingSAPSoftwareComponents
and releases:
ThisversionofTAW10hasbeenextendedfromtwotothreeweeks. Topicspreviously
part of TAW12, ABAP Dictionary and List Processing, are now covered in full
in TAW10. It now also includes parts of the new course on (cid:147)Advanced ABAP(cid:148),
BC402. As we did not want the ABAP certification (for TAW10 and TAW12) to
exceedfiveweeks,weremovedsuperfluouspartsoftheexistingABAPtrack. Inthe
first week of the previous version of TAW10, lists and screen programming were
introduced. Thesetopicswerethencoveredinmoredetailinthefollowingweeks.
List processing(classicmethod)isnowlookedatinmoredetail inweekone. List
processing(classicmethod)willnotbecoveredinmoredetailintheremainderofthe
course. In the third week of TAW10, you are taught how to create lists using the
ALVgridcontrol. Aspreviouslyoutlined,thebriefintroductiontoABAPDictionary
andscreenprogramminghasbeenremovedfromthefirstweekofTAW10. ABAP
DictionaryisexplainedindetailinweektwoofTAW10andscreenprogrammingis
now only covered in TAW12.
AttheendofthethirdpartofTAW10,youwillfindthecertificationunitwhichstates
theweightingofvarioustopicsinthecertificationtest.
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