SAP Press - ABAP 7.4 Certification Guide - SAP Certified Development Associate

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作者 Puneet 2017年出版 分类:SAP 865

ABAP 7.4 Certification Guide - SAP Certified Development Associate

英文原版,非影印版,总计645页。

Contents

Acknowledgments ......................................................................................... 15

Preface .......................................................................................................... 17

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 .................................................................................... 32

Summary ....................................................................................................... 35

2 Courses and Experience ............................................................ 37

Training Courses for ABAP ............................................................................. 38

Sources of Information .................................................................................. 39

Strategic Understanding ................................................................................ 41

SAP Examination Strategies ........................................................................... 42

General Examination Strategies ..................................................................... 44

Summary ....................................................................................................... 45

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 .................................................................... 57

Kernel and Administration Services ........................................................... 59

Software-Oriented View ........................................................................... 60

User-Oriented View .................................................................................. 63

Structure of a Work Process ...................................................................... 65

8 Contents

Important Terminology .................................................................................. 69

Practice Questions ......................................................................................... 70

Practice Question Answers and Explanations ................................................. 72

Takeaway ...................................................................................................... 73

Refresher ................................................................................................... 74

Tips ........................................................................................................... 75

Summary ....................................................................................................... 75

4 ABAP Workbench Usage ........................................................... 77

Objectives of this Portion of the Test ............................................................. 78

Key Concepts Refresher ................................................................................. 79

ABAP Workbench ...................................................................................... 79

Repository Browser ................................................................................... 85

Repository Information System .................................................................. 86

Workbench Settings .................................................................................. 89

ABAP Editor and Workbench Settings ....................................................... 90

ABAP Workbench Tools in Detail .............................................................. 94

Enhancement Information System ............................................................. 96

Packages and Their Attributes ................................................................... 99

Transport Organizer ................................................................................... 102

Practice Questions ......................................................................................... 105

Practice Question Answers and Explanations ................................................. 108

Takeaway ...................................................................................................... 111

Refresher ................................................................................................... 111

Summary ....................................................................................................... 112

5 ABAP Debugger Program Usage ............................................... 113

Objectives of this Portion of the Test ............................................................. 115

Key Concepts Refresher ................................................................................. 115

New and Classic Debugger ........................................................................ 116

New Debugger Tools and UI ..................................................................... 120

Assertions and Breakpoints ........................................................................ 130

New Debugger Customization and Settings ............................................... 131

Important Terminology .................................................................................. 137

Practice Questions ......................................................................................... 138

Practice Question Answers and Explanations ................................................. 141

Takeaway ...................................................................................................... 143

Refresher ................................................................................................... 144

Contents 9

Tips ........................................................................................................... 145

Summary ....................................................................................................... 145

6 ABAP Types and Data Objects ................................................. 147

Objectives of this Portion of the Test ............................................................ 149

Key Concepts Refresher ................................................................................. 149

ABAP Types and Data Objects .................................................................. 150

ABAP Data Types ...................................................................................... 157

Local Data Types ....................................................................................... 162

Global Data Types ..................................................................................... 165

Data Object Visibility ................................................................................ 167

Important Terminology ................................................................................. 168

Practice Questions ........................................................................................ 168

Practice Question Answers and Explanations ................................................. 171

Takeaway ...................................................................................................... 173

Refresher .................................................................................................. 173

Summary ....................................................................................................... 174

7 Internal Table Definition and Use ............................................ 175

Objectives of this Portion of the Test ............................................................ 176

Key Concepts Refresher ................................................................................. 177

Internal Table Definition and Use .............................................................. 177

Defining ABAP Internal Tables .................................................................. 182

Using ABAP Internal Tables ....................................................................... 191

Important Terminology ................................................................................. 209

Practice Questions ........................................................................................ 209

Practice Question Answers and Explanations ................................................. 213

Takeaway ...................................................................................................... 215

Refresher .................................................................................................. 215

Summary ....................................................................................................... 216

8 SQL Statements Including Update Strategies ......................... 217

Objectives of this Portion of the Test ............................................................ 219

Key Concepts Refresher ................................................................................. 219

Data Modeling .......................................................................................... 219

Data Retrieval ........................................................................................... 222

Performance of Database Access ............................................................... 225

10 Contents

Logical Units of Work ................................................................................ 229

Enqueue and Dequeue .............................................................................. 231

Inline Updates ........................................................................................... 236

Perform on Commit ................................................................................... 237

Update Modules ....................................................................................... 237

Additional Functionality as of SAP NetWeaver 7.40 .................................. 243

Practice Questions ......................................................................................... 246

Practice Question Answers and Explanations ................................................. 250

Takeaway ...................................................................................................... 254

Refresher ................................................................................................... 254

Tips ........................................................................................................... 254

Summary ....................................................................................................... 255

9 Basic ABAP Programs and Interface Creation .......................... 257

Objectives of this Portion of the Test ............................................................. 259

Key Concepts Refresher ................................................................................. 259

Organizing Development ........................................................................... 260

ABAP Programming Overview ................................................................... 261

ABAP Event Blocks .................................................................................... 268

Basic ABAP Statements .............................................................................. 273

ABAP Subroutine ....................................................................................... 276

ABAP Function Module ............................................................................. 278

ABAP Classes and Methods ....................................................................... 282

ABAP Selection Screen .............................................................................. 285

Authorization Checks ................................................................................ 287

ABAP Dynpros .......................................................................................... 289

Dialog Messages ........................................................................................ 292

Important Terminology .................................................................................. 298

Practice Questions ......................................................................................... 300

Practice Question Answers and Explanations ................................................. 305

Takeaway ...................................................................................................... 308

Refresher ................................................................................................... 309

Tips ........................................................................................................... 310

Summary ....................................................................................................... 311

10 ABAP Dictionary ........................................................................ 313

Objectives of this Portion of the Test ............................................................. 314

Contents 11

Key Concepts Refresher ................................................................................. 315

Overview .................................................................................................. 315

Basic and Complex Data Types .................................................................. 317

Transparent Tables .................................................................................... 332

Search Helps ............................................................................................. 338

Append Search Helps ................................................................................ 342

Lock Objects ............................................................................................. 342

View Types and Maintenance ................................................................... 345

Important Terminology ................................................................................. 349

Practice Questions ........................................................................................ 349

Practice Question Answers and Explanations ................................................. 353

Takeaway ...................................................................................................... 354

Refresher .................................................................................................. 355

Summary ....................................................................................................... 356

11 Unicode ..................................................................................... 357

Objectives of this Portion of the Test ............................................................ 359

Key Concepts Refresher ................................................................................. 360

Unicode Compliance ................................................................................. 360

Unicode Tools ........................................................................................... 361

Important Terminology ................................................................................. 373

Practice Questions ........................................................................................ 373

Practice Question Answers and Explanations ................................................. 375

Takeaway ...................................................................................................... 376

Refresher .................................................................................................. 377

Tips ........................................................................................................... 377

Summary ....................................................................................................... 377

12 Classical Screens ....................................................................... 379

Objectives of this Portion of the Test ............................................................ 381

Key Concepts Refresher ................................................................................. 381

Screen Design ........................................................................................... 382

GUI Status and Title Design ...................................................................... 402

Table Control Programming ...................................................................... 412

Important Terminology ................................................................................. 421

Practice Questions ........................................................................................ 421

Practice Question Answers and Explanations ................................................. 424

12 Contents

Takeaway ...................................................................................................... 426

Refresher ................................................................................................... 426

Summary ....................................................................................................... 427

13 Selection Screens ...................................................................... 429

Objectives of this Portion of the Test ............................................................. 430

Key Concepts Refresher ................................................................................. 431

Selection Screens ....................................................................................... 431

Selection Screen Design ............................................................................ 431

Important Terminology .................................................................................. 449

Practice Questions ......................................................................................... 449

Practice Question Answers and Explanations ................................................. 452

Takeaway ...................................................................................................... 453

Refresher ................................................................................................... 454

Summary ....................................................................................................... 454

14 ABAP Object-Oriented Programming ....................................... 455

Objectives of this Portion of the Test ............................................................. 457

Key Concepts Refresher ................................................................................. 457

Object-Oriented Programming Concepts ................................................... 457

ABAP Objects ............................................................................................ 459

ABAP Class ................................................................................................ 459

Objects ..................................................................................................... 468

Attributes .................................................................................................. 468

Methods ................................................................................................... 471

Events ....................................................................................................... 481

Practice Questions ......................................................................................... 486

Practice Question Answers and Explanations ................................................. 488

Takeaway ...................................................................................................... 491

Refresher ................................................................................................... 491

Summary ....................................................................................................... 492

15 ALV Grid Control ....................................................................... 493

Objectives of this Portion of the Test ............................................................. 494

Key Concepts Refresher ................................................................................. 495

Overview of ALV Programming ................................................................. 496

Contents 13

ALV Grid Programming (CL_GUI_ALV_GRID) ............................................ 496

ALV Object Model .................................................................................... 507

Important Terminology ................................................................................. 518

Practice Questions ........................................................................................ 521

Practice Question Answers and Explanations ................................................. 524

Takeaway ...................................................................................................... 525

Refresher .................................................................................................. 526

Tips ........................................................................................................... 526

Summary ....................................................................................................... 526

16 User Interfaces (Web Dynpro) .................................................. 527

Objectives of this Portion of the Test ............................................................ 528

Key Concepts Refresher ................................................................................. 529

Web Dynpro Design ................................................................................. 529

Controllers ................................................................................................ 535

Contexts ................................................................................................... 537

Events ....................................................................................................... 538

Web Dynpro Application .......................................................................... 539

Graphical Elements ................................................................................... 539

Important Terminology ................................................................................. 546

Practice Questions ........................................................................................ 547

Practice Question Answers and Explanations ................................................. 551

Takeaway ...................................................................................................... 552

Refresher .................................................................................................. 552

Tips ........................................................................................................... 553

Summary ....................................................................................................... 553

17 Class Identification Analysis and Design ................................. 555

Objectives of this Portion of the Test ............................................................ 556

Key Concepts Refresher ................................................................................. 557

Functional Methods .................................................................................. 557

Inheritance ............................................................................................... 563

Interfaces .................................................................................................. 568

Class Identification .................................................................................... 571

Important Terminology ................................................................................. 573

Practice Questions ........................................................................................ 575

Practice Question Answers and Explanations ................................................. 578

14 Contents

Takeaway ...................................................................................................... 580

Refresher ................................................................................................... 580

Tips ........................................................................................................... 581

Summary ....................................................................................................... 581

18 Enhancements and Modifications ............................................ 583

Objectives of this Portion of the Test ............................................................. 584

Key Concepts Refresher ................................................................................. 585

Enhancing SAP Applications ...................................................................... 585

Enhancement Techniques .......................................................................... 586

Enhancement Framework .......................................................................... 614

Modification ............................................................................................. 616

Practice Questions ......................................................................................... 619

Practice Question Answers and Explanations ................................................. 622

Takeaway ...................................................................................................... 624

Refresher ................................................................................................... 624

Summary ....................................................................................................... 625

19 Table Relationships ................................................................... 627

Objectives of this Portion of the Test ............................................................. 628

Key Concepts Refresher ................................................................................. 629

Table Relationships ................................................................................... 629

Value Help ................................................................................................ 637

Practice Questions ......................................................................................... 642

Practice Question Answers and Explanations ................................................. 646

Takeaway ...................................................................................................... 647

Refresher ................................................................................................... 647

Tips ........................................................................................................... 648


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