Puneet Asthana and David Haslam SAP® Certified Development Associate— ABAP® with SAP NetWeaver® 7.02 Bonn (cid:2) Boston Contents at a Glance PART I General Introduction 1 ABAP Development Certification Track—Overview ..................... 27 2 Courses and Experience .............................................................. 39 PART II Exam Preparation 3 SAP NetWeaver—Overview ........................................................ 49 4 ABAP Workbench Usage ............................................................. 75 5 ABAP Debugger Program Usage .................................................. 109 6 ABAP Types and Data Objects .................................................... 143 7 Internal Table Definition and Use ............................................... 169 8 SQL Statements Including Update Strategies ............................... 205 9 Basic ABAP Programs and Interface Creation .............................. 241 10 ABAP Dictionary ......................................................................... 295 11 Unicode ..................................................................................... 337 12 Classical Screens ......................................................................... 359 13 Selection Screens ........................................................................ 407 14 ABAP Object-Oriented Programming .......................................... 433 15 ALV Grid Control ........................................................................ 471 16 User Interfaces (Web Dynpro) .................................................... 505 17 Class Identification Analysis and Design ...................................... 533 18 Enhancements and Modifications ............................................... 559 19 Table Relationships ..................................................................... 601 7 Contents Preface .......................................................................................................... 15 Acknowledgments ......................................................................................... 23 PART I: General Introduction 1 ABAP Development Certification Track—Overview ................. 27 Certification Exam Scoring Changes ............................................................... 28 Certification Levels .................................................................................... 29 Advanced Certification Levels ................................................................... 31 Becoming an SAP Certified ABAP Development Associate—Overview ........... 32 Associate Examination Specifics ................................................................ 32 Competency Areas .................................................................................... 33 Becoming an SAP Certified ABAP Development Professional—Overview ....... 35 Professional Examination Specifics ............................................................ 36 Competency Areas .................................................................................... 36 Summary ....................................................................................................... 37 2 Courses and Experience ............................................................ 39 Training Courses for ABAP ............................................................................. 40 Sources of Information .................................................................................. 41 Strategic Understanding ................................................................................ 43 SAP Examination Strategies ........................................................................... 44 General Examination Strategies ..................................................................... 46 Summary ....................................................................................................... 46 PART II: Exam Preparation 3 SAP NetWeaver—Overview ..................................................... 49 Objectives of this Portion of the Test ............................................................ 50 Key Concepts Refresher ................................................................................. 50 SAP Products in a Nutshell ........................................................................ 51 Product Evolution ..................................................................................... 52 SAP NetWeaver Architecture .................................................................... 56 Kernel and Administration Services ........................................................... 58 8 Contents Software-Oriented View ............................................................................ 59 User-Oriented View .................................................................................. 61 Structure of a Work Process ...................................................................... 63 Important Terminology .................................................................................. 67 Practice Questions ......................................................................................... 68 Practice Question Answers and Explanations ................................................. 70 Take Away ..................................................................................................... 71 Refresher ................................................................................................... 72 Tips ........................................................................................................... 73 Summary ....................................................................................................... 73 4 ABAP Workbench Usage ........................................................... 75 Objectives of this Portion of the Test ............................................................. 76 Key Concepts Refresher ................................................................................. 77 ABAP Workbench ...................................................................................... 77 Repository Browser ................................................................................... 81 Repository Information System .................................................................. 83 Workbench Settings .................................................................................. 85 New ABAP Editor and Workbench Settings ............................................... 86 ABAP Workbench Tools in Detail .............................................................. 90 Enhancement Information System ............................................................. 92 Packages and Their Attributes ................................................................... 95 Transport Organizer ................................................................................... 98 Practice Questions ......................................................................................... 101 Practice Question Answers and Explanations ................................................. 104 Take Away ..................................................................................................... 106 Refresher ................................................................................................... 107 Summary ....................................................................................................... 107 5 ABAP Debugger Program Usage ...............................................109 Objectives of this Portion of the Test ............................................................. 111 Key Concepts Refresher ................................................................................. 111 New and Classic Debugger ........................................................................ 112 New Debugger Tools and UI ..................................................................... 116 Assertions and Breakpoints ........................................................................ 125 New Debugger Customization and Settings ............................................... 127 Important Terminology .................................................................................. 133 Practice Questions ......................................................................................... 134 Contents 9 Practice Question Answers and Explanations ................................................. 137 Take Away .................................................................................................... 139 Refresher .................................................................................................. 140 Tips ........................................................................................................... 140 Summary ....................................................................................................... 141 6 ABAP Types and Data Objects ................................................. 143 Objectives of this Portion of the Test ............................................................ 145 Key Concepts Refresher ................................................................................. 145 ABAP Types and Data Objects .................................................................. 145 ABAP Data Types ...................................................................................... 152 Local Data Types ....................................................................................... 156 Global Data Types ..................................................................................... 158 Data Object Visibility ................................................................................ 160 Important Terminology ................................................................................. 161 Practice Questions ........................................................................................ 162 Practice Question Answers and Explanations ................................................. 165 Take Away .................................................................................................... 166 Refresher .................................................................................................. 167 Summary ....................................................................................................... 167 7 Internal Table Definition and Use ............................................ 169 Objectives of this Portion of the Test ............................................................ 170 Key Concepts Refresher ................................................................................. 171 Internal Table Definition and Use .............................................................. 171 Defining ABAP Internal Tables .................................................................. 176 Using ABAP Internal Tables ....................................................................... 184 Important Terminology ................................................................................. 197 Practice Questions ........................................................................................ 198 Practice Question Answers and Explanations ................................................. 201 Take Away .................................................................................................... 203 Refresher .................................................................................................. 203 Summary ....................................................................................................... 204 8 SQL Statements Including Update Strategies ......................... 205 Objectives of this Portion of the Test ............................................................ 207 Key Concepts Refresher ................................................................................. 207 10 Contents Data Modeling .......................................................................................... 207 Data Retrieval ........................................................................................... 210 Performance of Database Access ............................................................... 213 Logical Units of Work ................................................................................ 217 Enqueue and Dequeue .............................................................................. 219 Inline Updates ........................................................................................... 224 Perform on Commit ................................................................................... 224 Update Modules ....................................................................................... 225 Practice Questions ......................................................................................... 231 Practice Question Answers and Explanations ................................................. 235 Take Away ..................................................................................................... 238 Refresher ................................................................................................... 239 Tips ........................................................................................................... 239 Summary ....................................................................................................... 240 9 Basic ABAP Programs and Interface Creation ..........................241 Objectives of this Portion of the Test ............................................................. 243 Key Concepts Refresher ................................................................................. 243 Organizing Development ........................................................................... 244 ABAP Programming Overview ................................................................... 245 ABAP Event Blocks .................................................................................... 252 Basic ABAP Statements .............................................................................. 256 ABAP Subroutine ....................................................................................... 260 ABAP Function Module ............................................................................. 261 ABAP Classes and Methods ....................................................................... 265 ABAP Selection Screen .............................................................................. 268 Authorization Checks ................................................................................ 271 ABAP Dynpros .......................................................................................... 273 Dialog Messages ........................................................................................ 275 Important Terminology .................................................................................. 281 Practice Questions ......................................................................................... 283 Practice Question Answers and Explanations ................................................. 288 Take Away ..................................................................................................... 291 Refresher ................................................................................................... 292 Tips ........................................................................................................... 293 Summary ....................................................................................................... 293 Contents 11 10 ABAP Dictionary ....................................................................... 295 Objectives of this Portion of the Test ............................................................ 296 Key Concepts Refresher ................................................................................. 297 Overview .................................................................................................. 297 Basic and Complex Data Types .................................................................. 299 Transparent Tables .................................................................................... 313 Search Helps ............................................................................................. 319 Append Search Helps ................................................................................ 323 Lock Objects ............................................................................................. 323 View Types and Maintenance ................................................................... 326 Important Terminology ................................................................................. 329 Practice Questions ........................................................................................ 329 Practice Question Answers and Explanations ................................................. 333 Take Away .................................................................................................... 334 Refresher .................................................................................................. 335 Summary ....................................................................................................... 336 11 Unicode ..................................................................................... 337 Objectives of this Portion of the Test ............................................................ 339 Key Concepts Refresher ................................................................................. 339 Unicode Compliance ................................................................................. 340 Unicode Tools ........................................................................................... 341 Important Terminology ................................................................................. 352 Practice Questions ........................................................................................ 352 Practice Question Answers and Explanations ................................................. 355 Take Away .................................................................................................... 356 Refresher .................................................................................................. 356 Tips ........................................................................................................... 357 Summary ....................................................................................................... 357 12 Classical Screens ....................................................................... 359 Objectives of this Portion of the Test ............................................................ 361 Key Concepts Refresher ................................................................................. 361 Screen Design ........................................................................................... 362 GUI Status and Title Design ...................................................................... 382 Table Control Programming ...................................................................... 391 Important Terminology ................................................................................. 400 12 Contents Practice Questions ......................................................................................... 400 Practice Question Answers and Explanations ................................................. 403 Take Away ..................................................................................................... 405 Refresher ................................................................................................... 405 Summary ....................................................................................................... 406 13 Selection Screens ......................................................................407 Objectives of this Portion of the Test ............................................................. 408 Key Concepts Refresher ................................................................................. 409 Selection Screens ....................................................................................... 409 Selection Screen Design ............................................................................ 409 Important Terminology .................................................................................. 426 Practice Questions ......................................................................................... 427 Practice Question Answers and Explanations ................................................. 429 Take Away ..................................................................................................... 430 Refresher ................................................................................................... 431 Summary ....................................................................................................... 431 14 ABAP Object-Oriented Programming .......................................433 Objectives of this Portion of the Test ............................................................. 435 Key Concepts Refresher ................................................................................. 435 Object-Oriented Programming Concepts ................................................... 435 ABAP Objects ............................................................................................ 437 ABAP Class ................................................................................................ 437 Objects ..................................................................................................... 446 Attributes .................................................................................................. 446 Methods ................................................................................................... 449 Events ....................................................................................................... 459 Practice Questions ......................................................................................... 464 Practice Question Answers and Explanations ................................................. 466 Take Away ..................................................................................................... 469 Refresher ................................................................................................... 469 Summary ....................................................................................................... 470 15 ALV Grid Control .......................................................................471 Objectives of this Portion of the Test ............................................................. 472 Key Concepts Refresher ................................................................................. 473 Overview of ALV Programming ................................................................. 474 Contents 13 ALV Grid Programming (CL_GUI_ALV_GRID) ............................................ 474 ALV Object Model .................................................................................... 485 Important Terminology ................................................................................. 496 Practice Questions ........................................................................................ 498 Practice Question Answers and Explanations ................................................. 501 Take Away .................................................................................................... 502 Refresher .................................................................................................. 503 Tips ........................................................................................................... 503 Summary ....................................................................................................... 504 16 User Interfaces (Web Dynpro) .................................................. 505 Objectives of this Portion of the Test ............................................................ 506 Key Concepts Refresher ................................................................................. 507 Web Dynpro Design ................................................................................. 507 Controllers ................................................................................................ 513 Contexts ................................................................................................... 515 Events ....................................................................................................... 515 Web Dynpro Application .......................................................................... 516 Graphical Elements ................................................................................... 517 Important Terminology ................................................................................. 523 Practice Questions ........................................................................................ 525 Practice Question Answers and Explanations ................................................. 528 Take Away .................................................................................................... 530 Refresher .................................................................................................. 530 Tips ........................................................................................................... 530 Summary ....................................................................................................... 531 17 Class Identification Analysis and Design ................................. 533 Objectives of this Portion of the Test ............................................................ 534 Key Concepts Refresher ................................................................................. 535 Functional Methods .................................................................................. 535 Inheritance ............................................................................................... 540 Interfaces .................................................................................................. 546 Class Identification .................................................................................... 549 Important Terminology ................................................................................. 551 Practice Questions ........................................................................................ 552 Practice Question Answers and Explanations ................................................. 556 Take Away .................................................................................................... 557 14 Contents Refresher ................................................................................................... 558 Tips ........................................................................................................... 558 Summary ....................................................................................................... 558 18 Enhancements and Modifications ............................................559 Objectives of this Portion of the Test ............................................................. 560 Key Concepts Refresher ................................................................................. 561 Enhancing SAP Applications ...................................................................... 561 Enhancement Techniques .......................................................................... 562 Enhancement Framework .......................................................................... 588 Modification ............................................................................................. 591 Practice Questions ......................................................................................... 593 Practice Question Answers and Explanations ................................................. 596 Take Away ..................................................................................................... 598 Refresher ................................................................................................... 599 Summary ....................................................................................................... 600 19 Table Relationships ...................................................................601 Objectives of this Portion of the Test ............................................................. 602 Key Concepts Refresher ................................................................................. 603 Table Relationships ................................................................................... 603 Value Help ................................................................................................ 611 Practice Questions ......................................................................................... 616 Practice Question Answers and Explanations ................................................. 619 Take Away ..................................................................................................... 621 Refresher ................................................................................................... 621 Tips ........................................................................................................... 622 Summary ....................................................................................................... 622 The Authors .................................................................................................... 623 Index .............................................................................................................. 625