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Beschreibung
This book is your guide for analyzing and optimizing ABAP source code (ABAP/4 and ABAP Objects). You’ll learn about the analysis tools and performance-relevant technologies, and you’ll discover how you can analyze existing source code and enhance your programming style. This is the resource you need to ensure that your ABAP programs are fully optimized.
1. Analysis Tools
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Technische Daten
Erscheinungsdatum
28.06.2009
Sprache
Englisch
EAN
9781592292899
Herausgeber
Rheinwerk Publishing
Serien- oder Bandtitel
SAP PRESS Englisch
Sonderedition
Nein
Autor
Hermann Gahm
Seitenanzahl
348
Auflage
1
Einbandart
Gebundene Ausgabe
Schlagwörter
Programming, SAP, SAP PRESS, Code Inspector, Runtime Analysis, Performance Trace, ABAP stack
Inhaltsverzeichnis
1 ... Introduction ... 17
... 1.1 ... Tuning Methods ... 17
... 1.2 ... Structure of the Book ... 19
... 1.3 ... How to Use This Book ... 20
2 ... SAP System Architecture for ABAP Developers ... 21
... 2.1 ... SAP System Architecture ... 21
... 2.2 ... Performance Aspects of the Architecture ... 25
3 ... Performance Analysis Tools ... 29
... 3.1 ... Overview of Tools ... 29
... 3.2 ... Usage Time of Tools ... 31
... 3.3 ... Analysis and Tools in Detail ... 34
... 3.4 ... Tips for the Performance Analysis ... 123
... 3.5 ... Summary ... 124
4 ... Parallel Processing ... 127
... 4.1 ... Packaging ... 127
... 4.2 ... Parallel Processing ... 129
5 ... Data Processing with SQL ... 147
... 5.1 ... The Architecture of a Database ... 147
... 5.2 ... Execution of SQL ... 151
... 5.3 ... Efficient SQL: Basic Principles ... 155
... 5.4 ... Access Strategies ... 155
... 5.5 ... Resulting Set ... 185
... 5.6 ... Index Design ... 198
... 5.7 ... Execution Frequency ... 205
... 5.8 ... Used API ... 215
... 5.9 ... Special Cases and Exceptions ... 217
6 ... Buffering of Data ... 223
... 6.1 ... SAP Memory Architecture from the Developer's Point of View ... 223
... 6.2 ... User-Specific Buffering Types ... 227
... 6.3 ... Cross-User Buffering Types ... 232
... 6.4 ... SAP Table Buffering ... 236
... 6.5 ... Summary ... 251
7 ... Processing of Internal Tables ... 253
... 7.1 ... Overview of Internal Tables ... 253
... 7.2 ... Organization in the Main Memory ... 255
... 7.3 ... Table Types ... 258
... 7.4 ... Performance Aspects ... 265
8 ... Communication with Other Systems ... 287
... 8.1 ... RFC Communication Between ABAP Systems ... 288
... 8.2 ... Performance Aspects for the RFC Communication ... 290
... 8.3 ... Summary ... 293
9 ... Special Topics ... 295
... 9.1 ... Local Update ... 295
... 9.2 ... Parameter Passings ... 298
... 9.3 ... Type Conversions ... 299
... 9.4 ... Index Tables ... 299
... 9.5 ... Saving Frontend Resources ... 300
... 9.6 ... Saving Enqueue and Message Service ... 301
10 ... Outlook ... 303
... 10.1 ... Important Changes to the Tools for the Performance Analysis ... 303
... 10.2 ... Important Changes to Internal Tables (Secondary Key ... 314
A ... Execution Plans of Different Databases ... 319
... A.1 ... General Information on Execution Plans ... 319
... A.2 ... IBM DB2 (IBM DB2 for zSeries ... 320
... A.3 ... IBM DB2 (DB2 for iSeries) ... 323
... A.4 ... IBM DB2 (DB2 for LUW) ... 326
... A.5 ... SAP MaxDB ... 329
... A.6 ... Oracle ... 332
... A.7 ... Microsoft SQL Server ... 336
B ... The Author ... 339
Höhe
229 mm
Breite
17.5 cm
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