Book Image

Oracle Database XE 11gR2 Jump Start Guide

By : Asif Momen
Book Image

Oracle Database XE 11gR2 Jump Start Guide

By: Asif Momen

Overview of this book

Oracle Database XE 11gR2 is an excellent beginner-level database and is a great platform to learn database concepts. "Oracle Database XE 11gR2 Jump Start Guide" helps you to install, administer, maintain, tune, back up and upgrade your Oracle Database Express Edition. The book also helps you to build custom database applications using Oracle Application Express.Using this book, you will be able to install Oracle Database XE on Windows/Linux operating system.This book helps you understand different database editions and it guides you through the installation procedure with the aid of screenshots. You will learn to interact with the database objects. You will gain a solid understanding of stored sub-programs which is followed by an introduction to Oracle Application Express (APEX). Solid database performance tuning strategies are also discussed in this book followed by backup and recovery scenarios. All in all, "Oracle Database XE 11gR2 Jump Start Guide" delivers everything that you should know to get started with Oracle Database administration.

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Oracle Database XE 11gR2 Jump Start Guide
Asif Momen
Jul, 2012 | 146 pages
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Table of Contents (20 chapters)
Oracle Database XE 11gR2 Jump Start Guide
Oracle Database XE 11gR2 Jump Start Guide
Credits
Credits
About the Author
About the Author
Acknowledgement
Acknowledgement
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Database Editions and Oracle Database XE
Database Editions and Oracle Database XE
About Oracle
Oracle Database Express Edition (XE)
Summary
References
2
Installing and Uninstalling Oracle Database XE
Installing and Uninstalling Oracle Database XE
Downloading Oracle Database 11g XE
Installing Oracle Database 11g XE on Windows XP (32-bit)
Uninstalling Oracle Database 11g XE on Windows XP (32-bit)
Installing Oracle Database 11g XE on Oracle Enterprise Linux (64-bit)
Uninstalling Oracle Database 11g XE on Oracle Enterprise Linux (64-bit)
Summary
3
Connecting and Configuring Oracle Database 11g XE
Connecting and Configuring Oracle Database 11g XE
Local database connections
Remote database connections
Changing SGA and PGA sizes
Summary
4
Accessing Table Data, DML Statements, and Transactions
Accessing Table Data, DML Statements, and Transactions
Unlocking sample user accounts
Installing SQL Developer
Connecting SQL Developer to Oracle Database 11g XE
About TAB and DUAL
Writing simple queries
Selecting data from multiple tables
Exploring common functions
What are Transaction Control Statements?
Understanding DML statements
Summary
References
5
Creating and Managing Schema Objects
Creating and Managing Schema Objects
Data Definition Language
Creating and managing tables
Creating and managing indexes
Integrity constraints
Creating and managing views
Creating and managing synonyms
Creating and managing sequences
Gathering statistics
Summary
References
6
Developing Stored Subprograms and Triggers
Developing Stored Subprograms and Triggers
PL/SQL data types
Stored subprograms
Creating stored subprograms
About packages
Exception handling
Wrapping up the PL/SQL stored programs
PL/SQL triggers
Summary
References
7
Building a Sample Application with Oracle Application Express
Building a Sample Application with Oracle Application Express
What is Oracle Application Express (APEX)?
Creating application users
Loading and unloading data to a text file
Application Express Dashboard
Summary
References
8
Managing Database and Database Storage
Managing Database and Database Storage
Memory structure
Automatic Memory Management
Important background processes
Physical and logical database structures
Managing the Flash Recovery Area
Summary
9
Moving Data between Oracle Databases
Moving Data between Oracle Databases
Exporting and importing data
Moving data between Oracle Database 10g XE and Oracle Database 11g XE
Exporting data using SQL Developer
Summary
10
Upgrading Oracle Database 11g XE to Other Database Editions
Upgrading Oracle Database 11g XE to Other Database Editions
Upgrading Oracle Database 11g XE to Oracle Database 11g Enterprise Edition
Summary
11
Backup and Recovery
Backup and Recovery
Introduction to backup and recovery
Recovery Manager
Connecting to Oracle Database XE using RMAN
The ARCHIVELOG mode
Backing up a database (the NOARCHIVELOG mode)
Simulating a database failure (the NOARCHIVELOG mode)
Restoring the NOARCHIVELOG database
Configuring the RMAN environment
Backing up the ARCHIVELOG database
Simulating a database failure (the ARCHIVELOG mode)
Restoring the ARCHIVELOG database
Summary
References
12
Tuning Oracle Database 11g XE
Tuning Oracle Database 11g XE
Performance tuning
Performance tuning approach
Avoiding common pitfalls
Autotrace utility
Explain Plan
Using indexes
Dynamic performance views
Statspack
Summary
References
Features Available with Oracle Database 11g XE
Features Available with Oracle Database 11g XE
Features available
Features not available

About TAB and DUAL

DUAL is a SYS owned table. It is normally used to return values from stored functions, sequence values, and so on. It is recommended not to drop or perform any DML operations against a DUAL table. The following is an example of fetching the current date using the DUAL table:

SQL> SELECT sysdate FROM dual;
SYSDATE
---------
10-MAY-12
SQL>

TAB is a SYS owned view which is used to list tables and views in a table. The following is a sample query to list all tables/views in the current schema:

SQL> SELECT * FROM tab;
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