BC490_EN_Col62_FV_Part_A4_2007_Q4.pdf

BC490

ABAP Performance & Tuning

SAP NetWeaver

Date

Training Center

Instructors

Education Website

Participant Handbook

Course Version: 62

Course Duration: 2 Day(s)

Material Number: 50084185

An SAP course - use it to learn, reference it for work

No part of this publication may be reproduced or transmitted in any form or for any purpose

without the express permission of SAP AG. The information contained herein may be changed

without prior notice.

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About This Handbook

This handbook is intended to complement the instructor-led presentation of this

course, and serve as a source of reference. It is not suitable for self-study.

Typographic Conventions

American English is the standard used in this handbook. The following

typographic conventions are also used.

Type Style

Description

Example text

Words or characters that appear on the screen. These

include field names, screen titles, pushbuttons as well

as menu names, paths, and options.

Also used for cross-references to other documentation

both internal (in this documentation) and external (in

other locations, such as SAPNet).

Example text

Emphasized words or phrases in body text, titles of

graphics, and tables

EXAMPLE TEXT

Names of elements in the system. These include

report names, program names, transaction codes, table

names, and individual key words of a programming

language, when surrounded by body text, for example

SELECT and INCLUDE.

Screen output. This includes file and directory names

and their paths, messages, names of variables and

parameters, and passages of the source text of a

program.

Example text

Exact user entry. These are words and characters that

you enter in the system exactly as they appear in the

documentation.

Example text

Variable user entry. Pointed brackets indicate that you

replace these words and characters with appropriate

entries.

iii

2007/Q4

About This Handbook

BC490

Icons in Body Text

The following icons are used in this handbook.

Icon

Meaning

For more information, tips, or background

Note or further explanation of previous point

Exception or caution

Procedures

Indicates that the item is displayed in the instructor's

presentation.

2007/Q4

Contents

CourseOverview......................................................... vii

CourseGoals...........................................................vii

CourseObjectives .....................................................vii

Unit 1: Architecture and Technical Overview .......................1

Architecture and Technical Overview.................................2

Unit 2: Analysis Tools................................................... 31

Analysis Tools ......................................................... 32

Unit 3: Basics for Indexes . . ........................................... 89

Basics for Indexes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Unit 4: Accessing Single Tables. . . ..................................129

AccessingSingle Tables ............................................130

Unit 5: Accessing Multiple Tables ..................................163

AccessingMultiple Tables ..........................................164

Unit 6: Buffering Strategies ..........................................201

BufferingStrategies..................................................202

Unit 7: Summary and Additional Tips..............................277

Summary and Additional Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278

Unit 8: Special Topics (Optional)....................................301

Special Topics (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .302

Index .......................................................................323

2007/Q4

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