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  • Book Overview & Buying Oracle 10g/11g Data and Database Management Utilities
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Oracle 10g/11g Data and Database Management Utilities

Oracle 10g/11g Data and Database Management Utilities

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Oracle 10g/11g Data and Database Management Utilities

Oracle 10g/11g Data and Database Management Utilities

4 (1)
Buy this Book

Overview of this book

Does your database look complicated? Are you finding it difficult to interact with it? Database interaction is a part of the daily routine for all database professionals. Using Oracle Utilities the user can benefit from improved maintenance windows, optimized backups, faster data transfers, and more reliable security and in general can do more with the same time and resources.
Table of Contents (18 chapters)
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Oracle 10g/11g Data and Database Management Utilities
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Oracle 10g/11g Data and Database Management Utilities
Credits
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Credits
About the Author
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About the Author
About the Reviewer
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About the Reviewer
Preface
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Preface
Lock Free Chapter
1
Data Pump
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Data Pump
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Data Pump features
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Data Pump architecture
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Setting up the practical scenarios
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Data Pump export
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Data Pump restart capability
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Getting information about the export job
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Data Pump import
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Improving performance with Data Pump
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Working with the Data Pump API
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Data Pump 11g new features
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Summary
2
SQL*Loader
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SQL*Loader
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SQL*Loader basics
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Preparing the demo environment
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Specifying a particular character set
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Load on the fly
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Direct path versus Conventional path load
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Loading Large Objects (LOBs)
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Loading multimedia files
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Resumable load
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Parallel load
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General performance booster tips
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Summary
3
External Tables
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External Tables
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The External Table basics
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Let's setup the environment
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Inter-version compatibility
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Data transformation with External Tables
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Mapping XML files as External Tables
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Dynamically changing the external reference
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Oracle 11g External Table enhancements
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Summary
4
Recovery Manager Advanced Techniques
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Recovery Manager Advanced Techniques
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Recovery Manager basics
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Backup compression
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Faster backups through intra-file parallel backup and restore operations (11g only)
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Block media recovery
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Backup duration and throttling
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Database cloning
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Inter-platform database migration
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Migrate to and from an ASM environment
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General backup advices
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Summary
5
Recovery Manager Restore and Recovery Techniques
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Recovery Manager Restore and Recovery Techniques
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Oracle database recovery
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Loss of data files
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Loss of redo log files
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Test restore
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Crosscheck command
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Nologging considerations
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Summary
6
Session Management
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Session Management
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User sessions in a dedicated server architecture
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Blocking sessions
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Services
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Resource Manager
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Active Session History (ASH)
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Session monitoring, the traditional way
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Summary
7
Oracle Scheduler
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Oracle Scheduler
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Oracle Scheduler concepts
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Getting started with the Oracle Scheduler
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Time expression syntax
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Programs
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Schedules
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Jobs and Job Classes
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Managing the Scheduler
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Data dictionary related views
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Summary
8
Oracle Wallet Manager
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Oracle Wallet Manager
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The Oracle Wallet Manager
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Oracle Wallet Manager CSR generation
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Storing the Oracle Wallet in the Windows registry
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Storing the Wallet in an LDAP server
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Using certificates for authentication
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Using the Oracle Wallet to store database credentials
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Summary
9
Security Management
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Security Management
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Using the Oracle Wallet to encrypt backups
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The enterprise user
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Summary
10
Database Configuration Assistant
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Database Configuration Assistant
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DBCA
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Database creation
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Database edition
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Database template management
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Automatic Storage Management configuration
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DBCA, Batch mode
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Summary
11
Oracle Universal Installer
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Oracle Universal Installer
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OUI basics
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OUI basic and advanced installation modes
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Modes of installation
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OUI command line parameters
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Silent installation mode
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The oraparam.ini file
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OUI return codes
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Installing Oracle from the Web
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Recovering a lost Inventory
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Cloning Oracle Home using OUI
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Summary
12
Enterprise Manager Configuration Assistant
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Enterprise Manager Configuration Assistant
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Enterprise Manager Components
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Enterprise Manager configuration
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EMCA Command Line Interface
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EMCA 10g Release 1
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EM directory structure
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Environment changes
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Securing Enterprise Manager
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Summary
13
OPatch
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OPatch
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OPatch
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Downloading the latest OPatch version
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OPatch requirements
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OPatch syntax
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Oracle maintenance using OPatch
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Applying a single patch using OPatch
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Querying the Oracle inventory
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Rolling back a failed OPatch session
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Considerations after applying a patch
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OPatch in Oracle 11g
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Oracle Configuration Manager Registration
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Critical Patch Updates
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Hot patching (11g only)
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Troubleshooting OPatch
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Using Enterprise Manager for software maintenance
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Managing Patches in EM 11g
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Summary

Mapping XML files as External Tables

XML has become a de facto information exchange format, which is why oracle has included the XML Database(XDB) feature from 9.2.0. However, it requires the data to be actually loaded into the database before it can be processed. An External Table allows the user to take a quick look at the contents of the external file prior to performing any further processing.

In this example an External Table is created out of an XML file. This file is read by means of a CLOB field, and some further XDB commands can be issued against the external XML file to extract and view data.

Let's create the external XML file first: 

create table EMPLOYEES_XML (xmlFile CLOB)
organization external (
type ORACLE_LOADER
default directory EXTTABDIR
access parameters (
fields (xmllob char terminated by ',')
column transforms (xmlFile from lobfile(xmllob))
)
location('employees.dat')
)
reject limit unlimited;

The employees.dat file contains the file name of the XML file to load as an...

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