PeopleSoft Oracle DBA

458 Pages·2008·8.42 MB·English

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PANTONE 123 CV
BOOKS FOR PROFESSIONALS BY PROFESSIONALS® THE EXPERT’S VOICE® IN PEOPLESOFT
OakTable Press
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p
PeopleSoft for the Oracle DBA
l
e
Dear Reader,
S
This book is a survival guide for the Oracle DBA who is responsible for the config-
uration, administration, and performance of a PeopleSoft system. The database o
is at the core of any such system, but the DBA must also understand how the
PeopleSoft application is using the database and how other parts of the f PeopleSoft
PeopleSoft architecture interact with the database. Therefore, this book t
• Demonstrates how to effectively implement common Oracle database
f
administration techniques and strategies (indexing, DDL, managing o
tablespaces, and so on) specifically for a PeopleSoft system, using the r
PeopleSoft toolset
• Shows how to analyze application activity and obtain the critical data that t Oracle DBA
h
will allow you to track down the causes of poor performance
e
• Provides essential details on the configuration and tuning of the Tuxedo for the
Application Server and how it works with the database
O
This book is a reflection of what I have been doing most days for many years:
RELATED TITLES helping customers get sufficient performance out of their PeopleSoft business r
systems. It provides the answers to the questions that I am still repeatedly
Expert One-on-One Oracle a
asked by DBAs, developers, and end users about what is going on inside these
Oracle Insights:
systems, for example: c
Tales of the Oak Table
• How do I measure what part of the application response time is spent
Mastering Oracle SQL l
in which tier of the system, and thus determine whether the database
and SQL*PLUS e
or another tier is the most significant performance issue? A PeopleSoft Survival Guide for Oracle DBAs
• Who is running this piece of SQL, where does it come from, and what can
I do about it? D
Join online discussions: • What changes can I safely make to the system via the PeopleSoft
forums.apress.com development tools, without creating an administrative nightmare? B
FOR PROFESSIONALS Ultimately, I hope this book will demonstrate how an Oracle DBA can work
BY PROFESSIONALS™ A
effectively withPeopleSoft, instead of continually fighting against it.
Yours sincerely,
David Kurtz
David Kurtz
SOURCECODEONLINE
www.apress.com ISBN 1-59059-422-3 K
u
55499 r Foreword by Wolfgang Breitling
t
z
US $54.99
Shelve in
PeopleSoft/Oracle
User level:
Intermediate–Advanced 6 89253 15223 2 9 781590 594223
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PeopleSoft for the Oracle DBA
DAVID KURTZ
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PeopleSoft for the Oracle DBA
Copyright © 2005 by David Kurtz
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means,
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Contents at a Glance
Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
About the Author. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
About the Technical Reviewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
CHAPTER 1 An Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 2 BEA Tuxedo:PeopleSoft’s Application Server
Technology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
CHAPTER 3 Database Connectivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
CHAPTER 4 PeopleSoft Database Structure:A Tale of Two Data
Dictionaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
CHAPTER 5 Keys and Indexing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
CHAPTER 6 PeopleSoft DDL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
CHAPTER 7 Tablespaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
CHAPTER 8 Locking,Transactions,and Concurrency. . . . . . . . . . . . . . . . . . . . . . . 163
CHAPTER 9 Performance Metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
CHAPTER 10 PeopleTools Performance Utilities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
CHAPTER 11 SQL Optimization Techniques in PeopleSoft. . . . . . . . . . . . . . . . . . . . 263
CHAPTER 12 Configuring the Application Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
CHAPTER 13 Tuning the Application Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
CHAPTER 14 The Process Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
INDEX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
iii
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Contents
Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
About the Author. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
About the Technical Reviewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
■ CHAPTER 1 An Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
What Is PeopleSoft? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Components of a PeopleSoft System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
The Database. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Tuxedo Application Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PeopleTools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Evolution of the PeopleSoft Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
The Monolithic Mainframe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Client/Server Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Three-Tier Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Four-Tier Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Release History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Developing and Administering PeopleSoft Systems . . . . . . . . . . . . . . . . . . 13
The Developer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
The DBA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Relationship Between the Developer and DBA. . . . . . . . . . . . . . . . . . 14
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
■ CHAPTER 2 BEA Tuxedo: PeopleSoft’s Application Server
Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
What Is Tuxedo?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
The Simple Application Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
The Simple Client. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
The Simple Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
The Simple Tuxedo Domain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
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vi ■ CONTENTS
Anatomy of the Application Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Processes,Memory,and Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
IPC Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
tmadmin and ipcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
PIA Servlets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
■ CHAPTER 3 Database Connectivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
PeopleSoft Database vs.Oracle Database . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Oracle Database Users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Owner ID/Access ID (SYSADM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Connect ID (PEOPLE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
PS Schema. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Oracle Database Roles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
PSUSER Role. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
PSADMIN Role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Signing On to a PeopleSoft 8 Database. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Making the Initial Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Determining the PeopleSoft Schema. . . . . . . . . . . . . . . . . . . . . . . . . . 43
Checking the PeopleTools Release. . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Checking the Operator Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Obtaining the Access Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Reconnecting As Access ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Using PeopleSoft Access Profiles and Oracle Resource Profiles . . . 47
Signing On to a PeopleSoft 7.5 Database. . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Connecting Third-Party Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Crystal Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
SQR Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Changing Database Passwords. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Connect ID Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Owner ID Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
■ CHAPTER 4 PeopleSoft Database Structure: A Tale of Two Data
Dictionaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Two Data Dictionaries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
PSRECDEFN:Record Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
PSRECFIELD:Record Field Definition. . . . . . . . . . . . . . . . . . . . . . . . . . 61
PSDBFIELD:Field Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
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■ CONTENTS vii
PSSQLDEFN:Definition of SQL Objects . . . . . . . . . . . . . . . . . . . . . . . . 69
PSSQLTEXTDEFN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
PSINDEXDEFN:Index Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
PSKEYDEFN:Index Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Recursive PeopleTools SQL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Version Numbers and Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Component Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Search Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Case-Insensitive Searching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Component Pages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Component PeopleCode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Page Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Page Fields. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Record Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Field Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Sub-Records. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Field Labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Record DDL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Sub-Record Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Application SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Data Dictionary Synchronization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
■ CHAPTER 5 Keys and Indexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
What Is the Purpose of an Index?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
What Is a Constraint?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
What Is the Purpose of a Unique Constraint?. . . . . . . . . . . . . . . . . . . . . . . . 89
Record Field Key Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Field Attributes and Application Behavior . . . . . . . . . . . . . . . . . . . . . . 91
Field Attributes and System Index Definitions. . . . . . . . . . . . . . . . . . . 95
Custom Key Order. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
User-Defined Indexes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Other Index Issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Views,Keys,and Indexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Suppressing Index Creation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Indexes and Histograms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Null Columns in PeopleSoft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
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viii ■ CONTENTS
■ CHAPTER 6 PeopleSoft DDL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
PeopleSoft DDL and the DBA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
DDL Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Create Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Create Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Create Tablespace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Analyze Table Estimate Statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Analyze Table Compute Statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Sizing Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Overriding DDL Model Defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Application Designer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Data Mover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
PeopleTools Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
PSDDLMODEL (or PS_DDLMODEL_VW):
DDL Model Statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
PSDDLDEFPARMS (or PS_DDLDEFPARMS_VW):
DDL Model Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
PSRECDDLPARM:Record DDL Parameter. . . . . . . . . . . . . . . . . . . . . 127
PSTBLSPCCAT:Tablespace Catalogue. . . . . . . . . . . . . . . . . . . . . . . . 128
PSRECTBLSPC:Record Tablespace Allocation . . . . . . . . . . . . . . . . . 128
PSIDXDDLPARM:Index DDL Parameters. . . . . . . . . . . . . . . . . . . . . . 129
DDL Model Enhancements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Additional DDL Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Fewer DDL Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Multiple Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Global Temporary Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Limitations of PeopleSoft DDL Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Partitioned Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Function-Based Indexes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Index Organized Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Other DDL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Alter Table in Place . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Alter Table by Re-creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
PeopleSoft Temporary Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Triggers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Synchronizing PeopleSoft with the Oracle Catalogue. . . . . . . . . . . . . . . . 145
Feeding Back Tablespaces into PeopleTools. . . . . . . . . . . . . . . . . . . 147
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
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