a0078 oracle database 10g administration workshop i morebook vn 2 2144

If you find any problems in the documentation, please report them in writing to Education Products, Oracle Corporation, 500 Oracle Parkway, Redwood Shores, CA 94065.. Oracle and all refe

Oracle Database 10g:

Administration Workshop II

Student Guide

D17092GC20

Edition 2.0

May 2004

D39448

®

Copyright © 2004, Oracle All rights reserved.

This documentation contains proprietary information of Oracle Corporation It is provided under a license agreement containing restrictions on use and disclosure and

is also protected by copyright law Reverse engineering of the software is prohibited

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Authors

Janet Stern

James Womack

Technical Contributors

and Reviewers

Lothar Auert

Dairy Chan

Gerlinde Frenzen

Joel Goodman

Christine Jeal

Martin Jensen

Susan Jang

Donna Keesling

Wolfgang Krueger

Roman Niehoff

Srinivas Putrevu

Andreas Reinhardt

Dr Sabine Teuber

Chandru Venkatesan

John Watson

Editor

Atanu Raychaudhuri

Publisher

Poornima G

1 Introduction

Course Objectives 1-2

How DBAs Spend Their Time 1-3

Oracle Database 10g Manageability Goals 1-4

Database Management Challenges 1-5

Oracle Database 10g Solution: Self-Managing Database 1-6 How Oracle Database 10g DBAs Spend Their Time 1-7

Student Preface 1-8

2 Using Globalization Support

Objectives 2-2

Globalization Support Features 2-3

Encoding Schemes 2-4

Database Character Sets and National Character Sets 2-7 Datetimes with Timezones 2-9

Configuring the Database Local Timezone 2-10

Configuring Datetime Formats 2-11

Using Timezones 2-12

Specifying Language-Dependent Behavior 2-13

Specifying Language-Dependent Behavior for the Server 2-14 Language and Territory Dependent Parameters 2-15

Other NLS Server Parameters 2-17

Specifying Language-Dependent Behavior for the Session 2-18 Locale Variants 2-21

Using NLS Parameters in SQL Functions 2-22

Linguistic Sorting 2-25

Using Linguistic Sorting 2-27

Sorts That Are Not Case or Accent Sensitive 2-29

Linguistic Comparisons 2-30

Linguistic Index Support 2-31

Customizing Linguistic Sorting 2-32

Oracle Locale Builder 2-33

Character Set Scanner Utilities 2-34

Data Conversion Between Client and Server Character Sets 2-36 NLS Data Conversion with Oracle Utilities 2-37

NLS Data Conversion with Data Pump 2-39

Obtaining Character Set Information 2-40

Obtaining NLS Parameter Information 2-41

Summary 2-43

Practice 2 Overview: Using Globalization Support Features 2-44 Practice 2: Using Globalization Support Features 2-45

Practice 2: Globalization Support 2-46

Contents

iii

3 Controlling Access to the Oracle Listener

Objectives 3-2

Oracle Net Services Review 3-3

Listener Password Authentication 3-4

Setting Listener Password 3-5

Setting Listener Password with Net Manager 3-6

Set Password with lsnrctl Utility 3-7

Controlling Database Access 3-8

Oracle Net Services External Procedures 3-9

Overview of the EXTPROC Agent 3-10

PL/SQL Calling a C External Procedure 3-11

Default Configuration for External Procedure Calls 3-12

Modifying the Configuration for External Procedure Calls 3-14 Remove Default EXTPROC Entry 3-15

Configure a Dedicated Listener for External Procedure Calls 3-17 Summary 3-21

Practice 3 Overview: Controlling Access to the Listener 3-22

4 Configuring Recovery Manager

Objectives 4-2

Recovery Manager Features 4-3

Recovery Manager Components 4-5

Media Management 4-7

Using a Flash Recovery Area with RMAN 4-9

Setting Parameters for RMAN 4-10

RMAN Usage Considerations 4-12

Connection Types with RMAN 4-13

Starting RMAN 4-14

Additional RMAN Command Line Arguments 4-15

Configuring Persistent Settings for RMAN 4-16

Configuring RMAN Settings Using EM 4-17

Control File Autobackups 4-18

Retention Policies 4-20

Managing Persistent Settings 4-21

Channel Allocation 4-22

Automatic and Manual Channel Allocation 4-23

Channel Control Options 4-24

Summary 4-26

Practice 4 Overview: Configuring RMAN 4-27

5 Using Recovery Manager

Objectives 5-2

Issuing Recovery Manager Commands 5-3

RMAN Command Overview 5-5

RMAN Commands 5-6

Job Command: Example 5-7

The BACKUP Command 5-8

Backup Constraints 5-9

Parallelization of Backup Sets 5-10

Compressed Backups 5-12

Image Copy 5-13

Tags for Backups and Image Copies 5-15

BACKUPOptions 5-16

Backing Up Archived Redo Logs 5-18

Copying the Whole Database 5-19

Making Incremental Backups 5-20

Incremental Backup: Example 5-22

Block Change Tracking 5-23

Enabling Block Change Tracking 5-24

Incrementally Updating Backups 5-25

LISTCommand Operations 5-26

The REPORT Command 5-27

The REPORT NEED BACKUP Command 5-28

REPORT NEED BACKUP:Examples 5-29

REPORT OBSOLETEand DELETE OBSOLETE 5-30

Managing Backups with EM 5-31

RMAN Dynamic Views 5-32

Monitoring RMAN Backups 5-34

Summary 5-36

Practice 5 Overview: Using RMAN 5-37

6 Diagnostic Sources

Objectives 6-2

Diagnostic Files 6-3

The Alert Log 6-4

What Is in the alert.log File 6-5

Viewing Recent Alert Log Entries 6-6

Alert Models Architecture 6-7

Server-Generated Alert Types 6-8

Viewing Alerts with Enterprise Manager 6-9

Alerts Notification 6-11

Alert Log Monitoring Configuration 6-12

Editing Thresholds 6-13

Viewing Initialization Parameters 6-14

Trace Files 6-15

Specifying the Location of Trace Files 6-16

Controlling Trace File Size 6-17

Controlling Trace File Writes 6-18

Using Enterprise Manager to Enable and View SQL Tracing 6-19 System Log Files 6-20

Summary 6-21

Practice 6 Overview: Diagnosing Problems 6-22

v

Workshop Scenario 5

This workshop scenario pertains to database availability To introduce the problem, first logout

of Enterprise Manager Then, change directory to $HOME/workshopsand run the script

wlab_05.sql as the SYSTEMuser as shown below:

Start your investigation by going to the Enterprise Manager console and viewing the Database page Record the results of your investigation under “Observations” Once you have determined the problem, formulate a plan to correct the problem It is possible that there may be more than one viable solution Record all possible methods that will address the problem under

“Methodology”.

It is your job to pick the best solution to solve your database problem After applying your solution, verify that the problem has been corrected Record your results under “Results”.

Observations

Methodology

Results

Oracle Database 10g: Administration Workshop II 18-20

Workshop Scenario 6

This workshop scenario pertains to database availability To introduce the problem, first logout

of Enterprise Manager Then, change directory to $HOME/workshopsand run the script

wlab_06.sql as the SYSTEMuser as shown below:

Start your investigation by going to the Enterprise Manager console and viewing the Database Home page Then check the Tablespaces page Record the results of your investigation under

“Observations” Once you have determined the problem, formulate a plan to correct the problem

It is possible that there may be more than one viable solution Record all possible methods that will address the problem under “Methodology”.

It is your job to pick the best solution to solve your database problem After applying your solution, verify that the problem has been corrected Record your results under “Results”.

Observations

Methodology

Results